abs(5)
abs(-5)

acos(0.5)
acos(1)
acos(1.5)

asin(0.5)
asin(1)
asin(1.5)

atan(-0.5)
atan(0.5)
atan(1)
atan(1.5)

atan2(0,0)
atan2(1,0)
atan2(1,1)
atan2(0,1)

ceil(1.1)
ceil(-1.1)

cos(-0.4)
cos(0)
cos(0.4)

cot(-0.4)
cot(0)
cot(0.4)

csc(-0.4)
csc(0)
csc(0.4)

exp(-0.5)
exp(0)
exp(0.5)
exp(1)
exp(2)

floor(1.1)
floor(-1.1)

frac(-1.1)
frac(0)
frac(1.1)

is_inf(1)
is_inf(1/0)
is_inf((-1)^0.5)

is_nan(1)
is_nan(1/0)
is_nan((-1)^0.5)

is_number(1)
is_number(1/0)
is_number((-1)^0.5)

log(-0.5)
log(0)
log(0.5)
log(1)
log(2.5)

max(2,3)
max(3,3)
max(3,2)

min(2,3)
min(3,3)
min(3,2)

mod(5,2)
mod(2,5)
mod(5,5)
mod(10,5)

pi()

round(1.1)
round(1.5)
round(1.6)
round(-1.1)
round(-1.5)
round(-1.6)

sec(-0.5)
sec(0)
sec(0.5)
sec(10.5)

sin(-0.4)
sin(0)
sin(0.4)

trunc(-1.99)
trunc(-1.1)
trunc(0)
trunc(1.1)
trunc(1.99)

