Scientific calculator with a keypad, DEG/RAD modes, history, and a full expression engine with units and bignumbers
Keyboard works too: type any expression, Enter evaluates, Shift+Enter adds a line, Esc clears.
History
Last 20 evaluations. Click an entry to load it back. Ans holds the latest result.
No evaluations yet.
About this calculator
Powered by mathjs
Expressions are parsed with the mathjs library, never with JavaScript's eval. In DEG mode, sin, cos, tan and their inverses use degrees for plain numbers; explicit units like sin(45 deg) always work.
What you can do
- Arithmetic, parentheses, variables, functions
- Trig, logs, exponentials, factorials,
nthRoot(x, n) - Units, e.g.
5 cm + 2 inch to mm - Bignumbers, complex numbers, matrices