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x min  x max          y min  y max
Function f(x) (up to 5 functions may be entered simultaneously, separated from each other by a semicolon)

Function Graph Area.

Functions and Constants

Function Definition Example
^ base^exponent x^2; (x+2)^3; x^(x+3)
sqrt Square root sqrt(x)
cbrt Cube root cbrt(x+3)
root(a,b) Root root(x,5) - fifth root of x
logn(a,b) Logarithm logn(x,5) - logarithm base-5 of x
ln, lg and lb Base-E logarithm, base-10 logarithm and base-2 logarithm lg(x)
exp() E^ exp(x) = E^x
sin, cos, tan, cot, sec, csc Trigonometrical functions sin(x+PI/2), cos(2x)
asin, acos, atan, acot, asec, acsc Back trigonometrical functions asin(x+1)
sinh, cosh, tanh, coth, sech, csch Hyperbolic trigonometrical functions sinh(x)
asinh, acosh, atanh, acoth, asech, acsch Back hyperbolic trigonometrical functions asinh(x)
round Rounds argument up or down to the closest integer round(3.3)=3; round(3.5)=4; round(3.8)=4
floor Rounds arg down floor(3.3)=3; floor(3.5)=3; floor(3.8)=3
ceil Rounds arg up ceil(3.3)=4; ceil(3.5)=4; ceil(3.8)=4
|| or abs Absolute value |x|; abs(x); |x+2|
sgn Signature function sgn(x)
Constant Value
rand Random number between 0 and 1
E 2.718281828459045
PHI 1.61803398874989
PI 3.141592653589793
LN2 0.6931471805599453
LN10 2.302585092994046
LOG2E 1.4426950408889633
LOG10E 0.4342944819032518
SQRT1_2 0.7071067811865476
SQRT2 1.4142135623730951