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Calculator
Type an expression and press Enter. Use functions, constants and your own
variables (e.g. r = 3 then pi * r^2). ans
is the last result. ↑/↓ recall previous entries.
Functions & constants
Operators: + - * / %, power ^, factorial !, parentheses.
Functions: sin cos tan, asin acos atan, atan2, sinh cosh tanh, ln log log2, sqrt cbrt exp, abs sign round floor ceil, pow hypot min max fact.
Constants: pi, e, tau, phi · Last result: ans.
Variables: assign with name = expression; reuse anywhere.
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