EDIT: confirming this is not tracking any data that you're putting into it. Code is fairly straight-forward.

Original feedback:

Create a "Excel-like" view with something like handsontable.com

Let me copy/paste from a spreadsheet.

people like excel because you can be FAST. This UI kinda requires that i use my mouse to click on the pencil icon, then i type in the numbers... i want to tab-through each input and never touch my mouse.

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