Numa: Calculator & Notes

Numa is a calculator for iPhone and iPad where every calculation stays on the canvas like a note. Change a number and every result updates instantly. A CANVAS, NOT A DISPLAY Calculations sit freely on a canvas that grows with you. Nothing disappears after the equals sign: tap a number, change it, and everything that depends on it is right again. LINKED VALUES Select a result and press an operator: a linked number appears below it in its own color. Or drag one number onto another. Changes flow through as many steps as you like. CALCULATE WITH NAMES Label a number, say “Rent”, and keep calculating with the name: Rent × 12. A canvas reads like a page of notes and works like a spreadsheet. SCENARIOS Give a number up to three values (A, B, C). Numa works through every scenario and shows the results side by side. SLIDERS AND GRAPHS • A slider on any number, smooth or in whole numbers •…