The workbench
TOOLS
Eight instruments. Each page tells you exactly what to type and what it can and can't do. Everything runs in your browser — nothing is sent anywhere.
CALCArithmetic, powers and roots to thousands of digits. Exact factorials of any size.
CONVERTTime, length, mass, area, volume, speed, data, temperature, energy, pressure and more.
ALGEBRAOne equation of any degree, or a whole system of equations. It detects which you typed.
GRAPHPlot any function f(x) on a live glowing canvas.
CALCULUSDerivatives (symbolic), the slope at a point, and definite integrals.
COMBINATORICSExact factorials, permutations, and combinations — every digit.
LINEAR ALGEBRADeterminant, inverse, RREF, rank, eigenvalues, multiply, and solve systems.
HISTORYEverything you've computed, remembered by this browser.