Upgrade Existing WebApp for Math Operations (Drag & Drop Boxes and Arrows)

I have a software (written in HTML, Javaascript and PHP) with a current functionality described in [url removed, login to view]

I need the following upgrades:

A. New look and feel, more buttons, tabs, minor functionality upgrades

B. 'Sensitivity Analysis' functionality

C. 'Monte Carlo Analysis' functionality - use the library at [url removed, login to view]

I have described everything in [url removed, login to view], except the following items within the upgrade "A":

1. Boxes should be resizeable

2. Box properties should show the colour and properties that have been previously assigned to it (currently it shows previous edits to other boxes)

3. Arrow head should be at the end, not in the middle

4. Fit to screen button (on the side bar) - fits the tree to the canvas size

5. New, Open, Save, Save As, Close functionality as explained in the video

6. Files should be saved to the desktop as XML, JSON or similar (with tree information - boxes and connections, values, formats and colours)

7. Undo/ Redo function

8. Variables appear in the box properties when arrows are connected - so that we can construct the formula easily

9. Duplicate version of the software with minor changes. Screen should look as shown in the picture (link below) - please see the notes under Monte Carlo button in the pic

[url removed, login to view]

Evner: CSS, HTML, Javascript, PHP, Statistikker

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Om arbejdsgiveren:
( 8 bedømmelser ) London, United Kingdom

Projekt ID: #16519832

28 freelancere byder i gennemsnit £165 på dette job


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£165 GBP in 5 dage
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£144 GBP in 3 dage
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£100 GBP in 3 dage
(38 bedømmelser)

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A proposal has not yet been provided

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£213 GBP in 3 dage
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