SWI-Prolog 7.4.2 Reference Manual: Section F.3

## F.3 Arithmetic Functions

*/2 | Multiplication
**/2 | Power function
+/1 | Unary plus (No-op)
+/2 | Addition
-/1 | Unary minus
-/2 | Subtraction
//2 | Division
///2 | Integer division
/\/2 | Bitwise and
<</2 | Bitwise left shift
>>/2 | Bitwise right shift
./2 | List of one character: character code
\/1 | Bitwise negation
\//2 | Bitwise or
^/2 | Power function
abs/1 | Absolute value
acos/1 | Inverse (arc) cosine
acosh/1 | Inverse hyperbolic cosine
asin/1 | Inverse (arc) sine
asinh/1 | Inverse (arc) sine
atan/1 | Inverse hyperbolic sine
atan/2 | Rectangular to polar conversion
atanh/1 | Inverse hyperbolic tangent
atan2/2 | Rectangular to polar conversion
ceil/1 | Smallest integer larger than arg
ceiling/1 | Smallest integer larger than arg
cos/1 | Cosine
cosh/1 | Hyperbolic cosine
copysign/2 | Apply sign of N2 to N1
cputime/0 | Get CPU time
div/2 | Integer division
e/0 | Mathematical constant
erf/1 | Gauss error function
erfc/1 | Complementary error function
epsilon/0 | Floating point precision
eval/1 | Evaluate term as expression
exp/1 | Exponent (base e)
float/1 | Explicitly convert to float
float_fractional_part/1 | Fractional part of a float
float_integer_part/1 | Integer part of a float
floor/1 | Largest integer below argument
gcd/2 | Greatest common divisor
getbit/2 | Get bit at index from large integer
inf/0 | Positive infinity
integer/1 | Round to nearest integer
lgamma/1 | Log of gamma function
log/1 | Natural logarithm
log10/1 | 10 base logarithm
lsb/1 | Least significant bit
max/2 | Maximum of two numbers
min/2 | Minimum of two numbers
msb/1 | Most significant bit
mod/2 | Remainder of division
nan/0 | Not a Number (NaN)
powm/3 | Integer exponent and modulo
random/1 | Generate random number
random_float/0 | Generate random number
rational/1 | Convert to rational number
rationalize/1 | Convert to rational number
rdiv/2 | Ration number division
rem/2 | Remainder of division
round/1 | Round to nearest integer
truncate/1 | Truncate float to integer
pi/0 | Mathematical constant
popcount/1 | Count 1s in a bitvector
sign/1 | Extract sign of value
sin/1 | Sine
sinh/1 | Hyperbolic sine
sqrt/1 | Square root
tan/1 | Tangent
tanh/1 | Hyperbolic tangent
xor/2 | Bitwise exclusive or