Hello,
i am expert programmer and i would love to build a calculator app for you as per your requirement so please message me.
I have Extensive knowledge of computer/Mobile systems, design, and analytical projects, along with first-hand experience in creating and implementing software applications, and the ability to troubleshoot and solve problems in a timely and accurate manner.
My expertise;
Software Architecture, App development, Web Development, Java, C programming, C# programming, C++ programming, Python, PHP, .Net, Node.js, XAML, VB.net Html, CSS, JavaScript.
Warm regards.