Tile designer flash toolJobs

FYI. Please do NOT AI reply. we use your reply as 1st level screening tool, if your 1st reply is AI based we will remove you from the proposals. Hi. I'm searching for an expert in managing Facebook and Instagram paid ads campaign. The primary objective is to successfully drive website traffic. We have existing lead capture campaigns that connect to automated forms (sending leads into funnel). We need a advanced level meta das campaign manager to optimise existing and create new campaigns. Part time work (10 hours per week) with weekly online meeting with myself to review strategy. We can add a creative visuals tech to the project, main skill we want is deep understanding of campaign optimisation. You need advanced experience/skills in • Optimising and managing ads to...

I'm looking for skilled Android and iOS developers to create a Utility Application for both platforms. The central feature of this application should be a Poster Design tool. Ideal candidate should have: - Proven experience in both Android and iOS development. - Proven experience creating a design tool application, with additional capabilities for customization, like a poster designer. - Ability to integrate this application feature across both Android and iOS platforms, maintaining consistent functionality and design. The utility app should include the following: - A user-friendly interface congruent with present design standards. - The poster design feature with advanced customization options. - Smooth operation on both iOS and Android platforms. Developers w...

I'm in need of a multi-talented freelancer—expert in web development, graphic design, and content writing. Your experience within my industry is key in making this project a success. Ideal Skills and Experience: * Web development * Graphic design * Content writing * Proficient background in my industry In your application, please focus on your experience. I'm especially interested in freelancers who have a deep understanding of the nuances in my industry. A detailed account of your relevant experiences would set your application apart. I look forward to hearing about your industry insights and how your skills can make my project a success. Thank you for your attention and interest.

...installed on virtual unbuntu 20.04,and buid SDK and its sample application codes ok, but when I integrate the voip sample code into sample application codes ,it has link error about GLIBC,etc ,similar outputs as this url: I tried to fix it myself ,and asked for help ,still not working .I guess rv1106 cross compiler tool shipped by chip provider is uclib (arm-rockchip830-linux-uclibcgnueabihf ) ,but the voip sample codes need glib. so I am thinking maybe we should use buildroot to build a new linux image ,which support glib . the new linux image should handle audio input/output ,wifi driver (I will following your advise) more materials u may need: 1. if you want to know about rv1106 and setup SDK environment

I’m seeking a skilled developer to convert my existing PortVB Desktop App into an iOS/Mac Desktop App. It a small tool that runs on a Windows PC and reads some flat XML files and inserts/updates a mySQL database. We need the same program to be able run on a iOS/Mac desktop. I have all the VB Project files/ Source code. - Skills in app development for iOS/Mac, ideally with previous experience in app conversion - Knowledge of data syncing, user authentication, and offline access, in case these features need to be incorporated - Familiarity with contacts management, communication, scheduling, calendar integration, and file/document management functionalities for potential focus areas - Creative design skills to potentially revamp the user interface and overall design of t...

...nativity and writing skills Rater draws the boxing and transcribe text for images on the tool Boxing will be drawn from left to right and dragging down to the bottom with double click. Tight boxing is necessary Transcribe the text mentioned in the box as it is. Once the image is completely done then rater will draw a big box to complete the image and give a syntax as “ TDT:Reviewed_1”. This syntax helps other rater to know how much portion an image was completed by previous rater In the Next Cycle rater will work on the Reviewed_1 text and do the necessary changes and change the syntax as “ TDT:Reviewed_FINAL” Interface of the tool: - Numbers/annotation will be actively tracked - Total time spent on the tool will be captured Checklist: -...

I'm seeking expert architectural assistance to envision and design a modern-style house of over 2,500 sq ft. I have a preference for clean lines and minimalist architecture, interspersed with elements of glass, metal and concrete. For landscaping, my primary requirement is the inclusion of garden or plant beds. An understanding of sustainable gardening would be highly appreciated as I endorse green practices. Skills and Experience: - Proven experience in architectural designing, specifically modern-style large houses - Familiarity with a range of landscaping techniques and elements; specifically, the design of complex garden beds and plantscapes - Expertise in sustainable landscaping would be a big plus - Good communication skills to collaborate effectively and incorporate necessa...

Hi Roman S., I have a small project I would like your help building it. The project consists of creating a tool that can read an external file and show the information we need to show. I can give you more details about it, please let me know if you are interested.

...attatched my previous Japanese presentation to let you know how I would like it to look(exactly similar template just change pictures to all One Piece related) -10 slides// -15% needs to be written in Japanese *hirigana* (as stated in the instructions attatched below) *my Professor/Sensei said it was okay to just do one section in Japanese *hirigana* -speaker notes/ a sсrіpt, i will be reading off flash cards so i need a full sсrіpt with also 15% Japanese *for the speaker notes, I am okay with writing it out in Romaji please bold the Japanese both in the speaker notes and in the powerpoint(as it says in instructions attatched) ***Romaji is the term for writing out Japanese in English using Roman letters.*** • I need the PowerPoint assignment completed by April 13, 2024. ...

...planner with a goal to streamline task management. Key Modifications Required Include: - Incorporation of a Gantt chart tracker for improved task visibility - Development of a feature for staff assignment to tasks - Automation of email notifications to staff once they've been assigned tasks These enhancements will take the task planner's functionality to a new level, making it an indispensable tool in our project management. Prerequisites: - Expertise with Excel functions, particularly regarding the use of lists - Previous experience with Gantt chart trackers will be advantageous - A firm understanding of staff management systems - Proven ability in automating processes, specifically email notifications Demonstrate your expertise in excel task planner modificati...

architect 2d concepts designer for long term atleast 1 year

Looking for a creative mind and graphic designer to do a quick revamp on our brochure dedicated to illuminating the benefits of artificial intelligence (AI) in education. Key Objectives: - Highlight the potential of AI as a tool in educational settings. - Emphasize how AI can elevate accessibility for students. You would ideally possess: - Strong skills in content creation and design. - Previous experience in crafting educational materials. Please note - the content of the brochure has been mostly locked, rather it is just the visual cleanliness and messaging we would like some help with

...HTML, and CSS. I am expecting that individual would be able to develop website like I need just one page, landing page will include a browser box to upload a file, no authentication, no payment integration. once file uploaded, it will be processed in the backend and result will be produced in 3/4 horizontal rows in tile format user can view large formats of the result by clicking over it, download it from larg/tile format you need to focus on fuctional stuff ignore everything else from ref. () site. Tech stack: technlogy: frontend => Angular+HTML5; backend =>Python; DB: pgsql Your responsibilities : - Design, build and optimize a responsive website - Ensure the technical feasibility of UI/UX designs - Collaborate with team members

I need a professional developer who can efficiently design and integrate a cutting sheet calculator on our website. This calculator will be integral in developing an optimal layout for cutting wood, helping us maximize the use of each material and reduce waste. Key project features: - Algorithm development: To create a layout yielding the least am...output. - Compatibility: The calculator must be compatible and smoothly integrated with our existing website. Ideal Skills and Experience: - Proven experience in creating similar web tools. - Strong knowledge of optimization algorithms. - Proficient in web development and integration. - Background in woodworking or related fields preferred. We have some competitors websites that already have that tool, all we need is just make somethi...

I require a competent developer to create a typing test for me, which will be used to evaluate typing speed. The test should consist of randomized sentences and have a duration of 3 minutes. Key skills required: - Knowledgeable in creating interactive tests - Good command of English for the creation of random sentences - Proven track record in developing similar modules Experience in developing educational tools will be a bonus. I value accuracy and the ability to deliver on time. Please only bid if you're able to meet these requirements.

I'm in need of an expert video editor who can edit a video of my training programs, turning it into a visually compelling promotional tool. The video's duration is about 1-2 minutes, so it's extremely vital that each second is engaging. Specific requirements: - Create an artistic and creative editing style. - Successfully deliver the video's promotional purpose. - Visual clarity is crucial, as well as authenticity and high production value. Ideal skills: - Proven an experience in creative video editing, particularly with training/tutorial videos. - Strong detail orientation to ensure all elements of the video are flawless. - Creativity to bring a fresh perspective to the video's overall aesthetic. A strong portfolio of previously edited training or simil...

I'm seeking a graphic design expert, specifically skilled in logo design. - Your task will be to create a new logo for my brand. - The new logo must align with our existing brand guidelines. - The style of the logo isn't defined yet, hence your creativity and innovative ideas would be highly appreciated. In terms of skills and experience: - Prior experience with logo design is a must - Familiarity with existing branding alignment would be a bonus - If you have experience with a variety of styles (Minimalistic, Abstract, Vintage) it could be helpful as we explore options. Your creativity and input will play a major role in this project's success. Let's get to work!

This contest is to find a top notch creative designer and Wordpress developer for our project. This contest is a first milestone to deliver the rest of the project. Kindly read carefully the description. We have an agency website that needs improvement. Currently our homepage is very specificly made to promote one of our web applications (analytics tags automated validation). We need to move this home page to be a second level page in the website. Additionally we need: - a new generic homepage to showcase the agency that works in digital marketing and analytics space, with 3 prepositions: analytics and digital marketing services, analytics dashboards, analytics tags verification tool - a new landing page for analytics dashboards that we sell Key Responsibilities: - Propos...

Releasing is a natural ability we all have to handle whatever life throws at you. If you experience constant money worries, health problems, guilt feelings, fear, procrastination, inability to speak up for yourself, marital problems, confusion about your life, vitality, and so on, releasing will give you a powerful, unique, and very practical tool that will dramatically improve the quality and effectiveness of your life. The Release Technique™, developed by Larry Crane with the guidance of expert Lester Levenson, can help eliminate the negativity associated with life’s challenges. Releasing can help you: Materialize amazing (and often unexpected) financial gains. Have more love in all of your relationships. Experience radiant health and wellness. Drop anxiety and depr...

I'm on the lookout for a talented fashion designer specializing in adult casual wear. My aim is to develop unique and stylish clothing designs meant specifically for adults. Key Requisites: - Rich experience in clothing design, specifically in crafting casual adult wear. - In-depth understanding of latest fashion trends, and fabric selection. - Ability to translate my vision into workable, aesthetically pleasing designs. With your creative skillset, we can make clothes that not only meet fashion expectations, but are also comfortable and suitable for daily wear for adults.

I am looking for an expert illustrator who specialises in realistic style and is knowledgeable in AI to create engaging visuals for a pitch deck. Key Responsibilities: -Interpret project requirements and develop high quality illustrations -Work closely with me to produce drafts and revisions based on feedback Requirements: -Strong portfolio showcasing realistic illus...feedback Requirements: -Strong portfolio showcasing realistic illustration skills -Previous experience working with AI subject matter -Proven experience in creating illustrations for pitch decks -Ability to work under deadline In this project, the AI illustration must depict people realistically. The final product should not only be visually appealing, but also serve as an effective communication tool in my upcom...

Hello, To enhance the online presence of our site, , we aim to automate the integration of rich snippets on the "couv...hours for each roofer, based on site data. Organization: Automatically update information about the organization including logo, website link, and contacts. Technical Instructions: Use lightweight scripts or plugins to generate structured data in JSON-LD format. Prioritize solutions that have the least impact on load time. Ensure that all implementations are tested with the Google Rich Results Test tool to verify their effectiveness without compromising site performance. Please find the sitemap here for reference: Sitemap Link We await a proposal including an estimate of the necessary resources, a quote, and a provisional timeline for implementation.

I'm looking for a skilled graphic designer to create highly engaging visuals for my Facebook and Instagram platforms. Here's what I need: * Custom, high-quality digital designs specifically tailored to both Instagram and Facebook. This will include post designs, banner/header designs, and possible advertising visuals. Ideal Skills and Experience: * Proficiency in digital design * Experience designing for social media platforms, particularly Facebook and Instagram * Ability to create unique, eye-catching designs that align with my brand identity. Please provide your portfolio or examples of your previous work in your proposal. Let's create some digital magic together!

We are planning to create a virtual horse racing game, which people can bet on with SPL tokens. the outcome of the races would be determined by the VRF. Website design: - Aim to make a visually appealing website where people find all the information regarding the project and can access the betting app smoothly. - The website should contain the following pages(Landing page, Introduction page, Tokenomics page, How to buy page) - A separate betting page which hours the actual horse betting section, chat box, betting dashboard, own previous bets, biggest wins)

In need of a software that can interlink and manage spreadsheet files for my machining process. Here's what the tool needs to be able to do: 1. **Document Linking**: The primary function of this software should be to connect various spreadsheet files relevant to the machining process. 2. **Control Plans & SOPs**: The software should allow us to create and manage control plans and Standard Operating Procedures (SOPs). 3. **Data Management**: It should handle spreadsheet files with embedded charts and calculation formulas, and needs to be capable of maintaining this functionality while linking documents. 4. **Runchart Plotting**: The software should be able to generate runcharts automatically using input data. Ideal applicants for this task would have prior experience ...

I am in need of an experienced professional that can integrate an affiliate marketing tool into my Shopify website. The main desired functionality of this tool is to generate unique referral codes. Successful freelancers must include examples of their past work in their application. Experience in customizable marketing integrations is a plus. Skills and experience needed: - Shopify - Affiliate Marketing - Coding - Experience with referral code generators.

I need a professionally designed tri-fold brochure that acts as an advertising tool for my legal Saas. The target audience is legal professionals, so it should resonate with them while communicating effectively. The brochure must include: - Inside: pricing information and FAQs from: - Real testimonials from our clients located at - the main 10 functionalities (no description needed) from: - call to action to subscribe now. Template is available here: I'm specifically looking for someone with experience in creative writing and graphic design, ideally

I'm seeking an experienced crypto developer to create a meme coin with investment purpose. - Purpose: The purpose of this project is to create a new meme coin that will serve as an investment tool. It's essential that the coin is carefully designed to encourage long term investment and value increase. - Target Audience: The coin is aimed at meme lovers. You should understand this demographic's interests and needs, and be able to craft a coin that appeals directly to them. - Timeframe: I need this project completed ASAP. Therefore, I require a professional able to work quickly without compromising on the quality of the outcome. - Skills & Experience: The perfect candidate should have solid experience in cryptocurrency development and an understanding of bl...

...time and resources efficiently to meet project deadlines. Requirements: - Over 8 years of experience in automation design and programming. - Profound knowledge of Schneider PLCs, VFDs, and HMI design. - Experience in designing HVAC, water systems, and instrumentation. - Skilled in using AutoCAD Electrical for design documentation. - have a good experience or willing to learn design by Vejio Designer and Schneider PLCs - Exceptional project management abilities, with a focus on time management and BOM preparation. - Strong analytical, troubleshooting, and communication skills. How to Apply: Submit your resume, a portfolio showcasing your projects (with a focus on HMI designs), and a cover letter detailing why you're the ideal candidate for this position. Only applicants wh...

I'm seeking an expert mobile app developer to design and build a sleek, elegant travel application for both iOS and Android platforms. The application's main features should be: 1. Ticket Booking Functionality: Users should be able to book tickets effortlessly through the application. Familiarity with APIs for various booking platforms is a must. 2. Travel Itinerary Planner: Implement a tool that helps users plan their trips, including selecting locations, scheduling visits, and setting reminders. 3. Reviews and Ratings: Integrate a user-friendly system where travelers can rate and review places they've visited, aiding fellow users in making informed decisions. The visual design of the app should espouse elegance, ensuring clean, sleek interfaces that communicate ...

We are seeking a talented 3D designer to transform the photos that I am attatching to the contest into a 3D Designed a Sword and its Sheath (two Objetcts) suitable for 3D printing. The initial project involves creating a a Sword based on the provided photos, with a final height of 1450 mm and a Sheatch with a final height of 111mm . Requirements: - Proficiency in 3D modeling software (e.g., Blender, Maya, ZBrush) - Experience in creating realistic 3D models from reference photographs - Ability to optimize designs for 3D printing -Strong attention to detail and commitment to quality To apply, please submit visual representations of a portion of the proposed 3D figure based on the provided photographs. This could include photographs or, preferably, a video showcasing a segment o...

Work will be hybrid/majority remote. Need to be within driving distance of Washington DC We are seeking a talented and innovative UI/UX Designer to join our software development team, focusing on creating an intuitive and engaging user experience for a high-profile tech challenge. This individual will play a critical role in designing the interface and user experience of our tech challenge application, which will be developed using the React framework. As part of our team, the UI/UX Designer will work closely with developers and project managers to ensure our solutions meet both user needs and business goals. The ideal candidate will have a proven track record of designing effective user interfaces and experiences, a deep understanding of user-centered design principles, and...

I'm seeking a highly experienced, senior-level data scientist to take on a range of tasks. This project will involve a robust undertaking of different elements such as: - Conducting sophisticated data analysis ...experience in data science, capable of delivering high-quality, accurate results. A strong background in both statistical modeling and machine learning is necessary, as well as a proven track record in effectively applying NLP. Prior experience in forecasting and time series analysis is highly advantageous for this project. A profound understanding of Python is also vital, as it is the primary tool we will be utilizing for all data science tasks in this project. Please, only individuals with senior-level experience and those with the necessary skills should bid fo...

To bring my vision to life, I am urgently seeking a seasoned 3D Animator. Ideal Skills and Experience: * Mastery of main 3D animation software. While I haven't decided on a specific tool like Blender, Cinema 4D, or Autodesk Maya, I require professionalism and knowledge. You're free to utilize your preferred tool. * Experience with rapid project execution. Since this project needs to be completed ASAP, a demonstrable track record of efficient yet excellent work under tight deadlines is vital. Expectations: * You'll work in close cooperation with me to ensure the final product is aligned with my vision. * Clarity and honesty about project deadlines and progress at all times. * Practicing discretion regarding project details due to the nature of content. * An...

I'm in need of a part-time data entry specialist, preferably with profound experience in text data entry. Specifics of the role are: - Handling and managing text data entry tasks - Efficiency with Google Sheets is required as the primary tool for the job - Previous experience in data entry roles is preferred This project requires meticulous attention to detail and high accuracy in data entry. The ideal candidate should have an unparalleled understanding of Google Sheets, along with a track record in text data entry roles.

I am searching for a topnotch WordPress website designer who can help create an engaging E-commerce website that can facilitate smooth online transactions. The project requires a professional who has: - Immense experience in creating high-quality, user-friendly E-commerce websites. - Excellent knowledge of WordPress and its E-commerce functionalities. - Good understanding of SEO and website navigation best practices. - Proficiency in web design software such as Adobe Photoshop and Illustrator. - Creativity and problem-solving skills. If you possess these skills and think you could be a good fit for this project, kindly respond with your portfolio and previous experience. P.S. Although not mandatory, knowledge in animated effects, parallax scrolling, or large video headers would b...

...professional who can assist me in extracting and compiling a list of expenses from receipt emails. The receipts you'll be working with are majorly from various home renovation activities. Here are the exact specifications of this task: - Must be Gmail proficient - you should know your way around this email provider as that is where the receipt emails are lodged. - Expertise in Excel or any similar tool - to create a well-detailed and organized sheet of expenses, hence, a good command of Excel is essential. - Understanding of home renovation jargon - as you will be dealing with receipts of home renovation materials, a good understanding of such terms will be beneficial. However, do note that we're only focusing on materials; receipts concerning services rendered ar...

I’m in need of a PDF to Excel converter that effectively processes Tamil and Sinhala languages. It’s crucial that this tool possess the following features: - Text Extraction: Ability to pull all text from documents cleanly and clearly. - Character Recognition: Must be able to identify individual characters and symbols for precise conversion. - Language Detection: The converter should automatically recognize the language of the text. I expect high accuracy in text extraction, to ensure the integrity of the original document is maintained in the converted output. Experience in Optical Character Recognition (OCR), and proficiency in Tamil and Sinhala language text processing, will be ideal for this project.

I am in need of a skilled figma designer, particularly experienced in healthcare app interface design. Need to create 55-60 pages to explain application workflow. You will get helped from our analysis team on daily basic to make perfect pages in one go. Interested candidates can share portfolio of your figma design.

I’m in need of a PDF to Excel converter that effectively processes Tamil and Sinhala languages. It’s crucial that this tool possess the following features: - Text Extraction: Ability to pull all text from documents cleanly and clearly. - Character Recognition: Must be able to identify individual characters and symbols for precise conversion. - Language Detection: The converter should automatically recognize the language of the text. I expect high accuracy in text extraction, to ensure the integrity of the original document is maintained in the converted output. Experience in Optical Character Recognition (OCR), and proficiency in Tamil and Sinhala language text processing, will be ideal for this project.

... - Understanding of Google’s Android design principles and interface guidelines. - Experience in secure User registration/Login implementation. - Experience integrating push notifications. - Previous work with in-app purchase feature is a plus. If you are a visionary developer with an eye for details and a knack for creating smooth user experience, I would love to hear from you. Let's create a tool to help the general public enhance productivity....

I need a logo for my food cart

I'm looking for an experienced and detail-oriented freelancer who can help me with extensive rewriting in a scanned paper PDF file, likely requiring knowledge of a tool like Adobe Acrobat. The project involves: - Text correction: We'll be doing a full text overhaul, but we're looking to maintain the original style and not to change the aesthetic. It's essential that you have strong writing skills, with an ability to mirror the original tone. - Image and formatting changes are not needed for this project. Ideal candidates will have demonstrated experience in extensive rewriting, PDF editing and have a keen eye for ensuring tone consistency.

...The token should be capable of creating new tokens to be added to the total supply. Burnable: It should allow tokens to be "burned", effectively removing them from the total supply. Pausable: The contract should enable transactions to be paused, a crucial feature for emergency or maintenance purposes. Permit: Implementing EIP-2612 permit function for allowing spending of tokens via signatures. Flash Minting: Ability to mint tokens temporarily within a transaction without permanent impact on the total supply. Access Control: The token must incorporate role-based access control mechanisms to grant different levels of permissions (e.g., admin, minter roles). Upgradeability: The smart contract should be upgradeable using the UUPS (Universal Upgradeable Proxy Standard) pat...

I'm in need of a talented designer who specializes in both UI and UX design for desktop and tablet interfaces. The perfect freelancer for this would be familiar with Java FX and Figma. The focus for this project is to create an easy-to-navigate, simple, yet engaging design. Your tasks would include: - Understanding our basic level design aesthetic and navigation patterns. - Applying them to our desktop and tablet platforms. - Ensuring the UI and UX are optimized for both platforms. Ideal skills and experience: - Strong background in UI/UX design, specifically for desktop and tablet formats. - Proven experience with Java FX and Figma. - Demonstrated ability to create a basic, user-friendly interface. The first design shall include as follows. - Left vertical and tabbed layou...

I am seeking an expert who can employ the power of the XLMiner tool to drive insightful results from raw data in no time. data mining project (need in python, jupyter) Key Tasks: - As the specific tasks were not initially stated, I would like ongoing tasks which could include: - Data cleaning and preparation - Data visualization and exploration - Data modeling and validation This is an urgent project, so if you have: - In-depth experience with XLMiner - Ability to work quickly without compromising the quality - Proven record in Data Analysis Then please apply now. Your expertise in handling large data with XLMiner could make you the perfect candidate for this project. Let's connect and get started!

...reaching out to inquire about your expertise in UI/UX design for a project I am currently working on. I am in the process of developing a comprehensive Student Information System (SIS) that aims to streamline administrative tasks, enhance communication between students and faculty, and provide an intuitive user experience for all stakeholders. To achieve this vision, I am seeking a talented UI/UX designer to collaborate with me in creating an engaging and user-friendly interface for both the website and mobile app versions of the system. Key responsibilities of the project will include: 1. Conducting thorough user research to understand the needs and preferences of students, faculty, and administrators. 2. Creating wireframes, prototypes, and mockups that effectively co...

I am seeking a skilled promotional video maker to create an engaging, animated explainer video. This video will help drive traffic to my website and its target audience is professionals in a specific industry. Ideal Skills: • Animation • Promotional video creation • Knowledge in website traffic driving strategies...explainer video. This video will help drive traffic to my website and its target audience is professionals in a specific industry. Ideal Skills: • Animation • Promotional video creation • Knowledge in website traffic driving strategies Experience: Previous work experience in creating conversion-focused promotional videos for professionals is a must. You would have excelled in using video as a tool for boosting website traffic, ultimately...

I'm in need of an expert capable of conducting advanced image analysis ., I'm ultimately looking for the answer to be determined by the recommended approach of the chosen freelancer. To be considered for this project, please include: - A comprehensive proposal detailing the analysis process you plan to use. - Your past experience with similar image analysis projects. - Any other practice, tool, or method that you believe will significantly enhance the accuracy and efficiency of your work. Skills in image processing, machine learning, computer vision, and familiarity with related software and tools are highly desirable for this project. Your ability to effectively communicate complex concepts and your attention to detail will also be essential. I look forward to heari...

Hello Dear Client, I understand your requirements. Please message me so we can discuss any important questions and proceed with the work as per your needs. Kindly message me about the project so we can start the discussion. Thanks:) Best regards Najmul Hasan