Numeric
abs()
abs(expression)
ceil()
ceil(expression)
floor()
floor(expression)
rand()
rand()
sign()
sign(expression)
Logarithmic
e()
e()
exp()
e(expression)
log()
log(expression)
log10()
log10(expression)
sqrt()
sqrt(expression)
Trigonometric
acos()
acos(expression)
asin()
asin(expression)
atan()
atan(expression)
atan2()
atan2(expression1, expression2)
cos()
cos(expression)
cot()
cot(expression)
degrees()
degrees(expression)
haversin()
haversin(expression)
pi()
pi()
radians()
radians(expression)
sin()
sin(expression)
tan()
tan(expression)