Trigonometric functions
cos    cosine 
sin    sine 
tan    tangent 
acos   arc cosine 
asin   arc sine 
atan   arc tangent 

Hyperbolic functions
cosh   hyperbolic cosine 
sinh   hyperbolic sine 
tanh   hyperbolic tangent 

Exponential and logarithmic functions
exp    exponential function 
log    natural logarithm 
log10  common logarithm 

Power functions
pow    Raise to power 
sqrt   square root 

Rounding and remainder functions
ceil   Round up value 
floor  Round down value 
mod    remainder of division 

Boolean
and    true if both sides are true 
or     true if one side is true 
not    negate

Various
max    Maximum value 
min    Minimum value 
rand   random number in range 0 to x
int    drop fractional part
abs    absolute value 