Napkin – Notes & Calc

By Alexander Presber on AppTrack Ninja.

Notes that calculate

Napkin is a notes app that calculates, on iPhone, iPad and Mac. Write a line, end it with =>, and the result appears behind the arrow. Change a number above it and every result below updates as you type. CALCULATE IN YOUR NOTES • Variables, including names with spaces: rent = 1100, per day = left / 30 => • Your own functions: f(x) = x^2 + 1, then f(4) => • Units and conversions: 26.2 miles in km =>, 50 km/h * 30 min => • Unknown names stay symbolic: 2 * y + 3 * 4 => 2y + 12 EQUATIONS • 6x = 30, then x => 5 – the unknown is solved and defined • Units too: speed * 2 h = 100 km => speed = 50 km/…

Categories: Productivity, Utilities

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