Predefined Functions

You can use the following in your expressions when using calculators on this site.

pi (or Ctrl+P or Alt+P) for π = 3.14... .

e for 2.718... (Euler's number).

infinity (or Ctrl+8 or Alt+8) for .


(...)^r Power Function

sqrt(...) or (...)^.5 for Square Root

abs(...) for Absolute Value


floor(...) for the Greatest Integer function

ceil(...) for the Least Integer function

round(...) for the Round function


exp(...) or e^(...) for the Exponential function

ln(...) for Natural logarithm

log(...) Logarithm in base 10


sin(...) for the Sine function

cos(...) for the Cosine function

tan(...) for the Tangent function

csc(...) for the Cosecant function

sec(...) for the Secant function

cot(...) for the Cotangent function


asin(...) for Inverse Sine

acos(...) for Inverse Cosine

atan(...) for Inverse Tangent

acsc(...) for Inverse Cosecant

asec(...) for Inverse Secant

acot(...) for Inverse Cotangent


sinh(...) for Hyperbolic Sine

cosh(...) for Hyperbolic Cosine

tanh(...) for Hyperbolic Tangent

csch(...) for Hyperbolic Cosecant

sech(...) for Hyperbolic Secant

coth(...) for Hyperbolic Cotangent


asinh(...) for Inverse Hyperbolic Sine

acosh(...) for Inverse Hyperbolic Cosine

atanh(...) for Inverse Hyperbolic Tangent

acsch(...) for Inverse Hyperbolic Cosecant

asech(...) for Inverse Hyperbolic Secant

acoth(...) for Inverse Hyperbolic Cotangent