Calculator

Write math the way it looks on paper — fractions, roots and powers — with the keys or your keyboard. Press = or Enter to keep the line in the history; click a history line to use it again. Prefer plain text? Try the typed calculator.

Stored

Write a variable, =, then a number or formula, and press Enter to store it. Tap a variable to use it.

Memory

Captured on the unit circle and shared with the typed calculator. Click a name to put it in your expression.

How to write

Type / for a fraction, ^ for a power, sqrt for a root, pi for π.
Use the arrow keys or Tab to move between parts of a fraction or power.
The DEG/RAD key switches how sin, cos and tan read angles. A unit on a number wins: sin(30°) is 0.5 even in RAD, and sin(π/6 rad) is 0.5 even in DEG.
Write a name, =, then a number or formula (h = 4, t = ½b + h) and press Enter to store it. Formulas stay live: change h and t follows. Only the slots listed under Stored can be used here; e is always Euler’s number.
ans is your last answer; θ, r, a, b, c, and a₁, m₁… come from memory.

Written math calculator