Expression-based scientific calculator with interactive graphing, variables, and a full function library.
Type full expressions like 2sin(pi/4)+3^2 and evaluate instantly.
Pinch, pan, and plot multiple equations with distinct colors.
Trig, hyperbolic, log, exp, combinatorics — radians or degrees.
Define x=5, use pi, e, tau, phi inline.
Switch to inverses, hyperbolics, nCr, nPr, and more.
Type expressions directly on Mac and iPad.
Compact on iPhone, full scientific on iPad and Mac, dedicated watchOS.
No accounts, no cloud, no analytics, no ads.
Crisp haptics on key presses and graph zoom gestures.
sin · cos · tan · asin · acos · atan · sinh · cosh · tanh
ln · log · log2 · exp · sqrt · cbrt · pow · abs
fact · ncr · npr · gcd · lcm · floor · ceil · round · sign
Free, ad-free, offline. On every Apple device you own.