Pebbl — Notepad Calculator

Pebbl is a powerful notepad calculator. Type naturally, get instant answers. - Type math like you think: "5 plus 3" or "20% off $50" - Convert units: "5 miles to km", "100°F in celsius" - Live currency conversion with daily updated rates - Variables: set "price = 20" and use it in later lines - Sum and average entire sections - Built-in functions: sqrt, sin, cos, log, and more - Multiple documents, auto-saved - 100% private, all calculations happen on your device