# Functions

Functions can be used by inserting the name of the function followed by the function argument. If the argument is not a number or variable then use parenthesis around the argument.

sin 30

abs (5−9)

The following functions are defined.

abs | 절대값
cos | 코사인
cosh | Hyperbolic Cosine
frac | Fractional Component
int | Integer Component
ln | 자연 로그
log | Logarithm
not | Boolean NOT
ones | Ones complement
sin | 사인
sinh | Hyperbolic Sine
sqrt | 제곱근
tan | Tangent
tanh | Hyperbolic Tangent
twos | Twos complement

GCalctool does not support user-defined functions.