* -
If 
, ..., 
denote numbers, then the term (* 
) denotes the product of those numbers.
+ -
If , ..., are numerical constants, then the term (+ 
) denotes the sum 
of the numbers
corresponding to those constants.
- -
If and , ..., denote numbers, then the term (- ) denotes the difference between the
number denoted by and the numbers denoted by through
. An exception occurs when 
, in which case the term
denotes the negation of the number denoted by .
/ -
If , ..., are numbers, then the term (/ ) denotes the result obtained by dividing the number
denoted by by the numbers denoted by 
through
. An exception occurs when 
, in which case the term
denotes the reciprocal of the number denoted by .
1+ -
The term (1+ ) denotes the sum of the object denoted by
and 1.
(deffunction 1+ (?x) := (+ ?x 1))
1- -
The term (1- ) denotes the difference of the object denoted
by and 1.
(deffunction 1- (?x) := (- ?x 1))
abs -
The term (abs ) denotes the absolute value of the object
denoted by .
(deffunction abs (?x) := (if (>= ?x 0) ?x (- ?x)))
acos -
If denotes a number, then the term (acos ) denotes
the arc cosine of that number (in radians).
acosh -
The term (acosh ) denotes the arc cosine of the object denoted by
(in radians).
ash -
The term (ash ) denotes the result of arithmetically shifting
the object denoted by by the number of bits denoted by (left
or right shifting depending on the sign of ).
asin -
The term (asin ) denotes the arc sine of the object denoted by (in
radians).
asinh -
The term (asinh ) denotes the hyperbolic arc sine of the object denoted by (in radians).
atan -
The term (atan ) denotes the arc tangent of the object
denoted by (in radians).
atanh -
The term (atanh ) denotes the hyperbolic arc tangent of the object denoted by
(in radians).
boole -
The term (boole ) denotes the result of applying
the operation denoted by to the objects denoted by and
.
ceiling -
If denotes a real number, then the term (ceiling )
denotes the smallest integer greater than or equal to the number denoted
by .
cis -
The term (cis ) denotes the complex number denoted by 
. The argument is any non-complex number of radians.
conjugate -
If denotes a complex number, then the term (conjugate
) denotes the complex conjugate of the number denoted by
.
(deffunction conjugate (?c) := (complex-number (realpart ?c) (- (imagpart ?c))))
cos -
The term (cos ) denotes the cosine of the object denoted by (in radians).
cosh -
The term (cosh ) denotes the hyperbolic cosine of the object denoted by (in radians).
decode-float -
The term (decode-float ) denotes the mantissa of the object denoted by .
denominator -
The term (denominator ) denotes the denominator of the canonical reduced form of
the object denoted by .
exp -
The term (exp ) denotes 
raised to the power the
object denoted by .
(deffunction exp (?x) := (expt e ?x))
expt -
The term (expt ) denotes the object denoted by
raised to the power the object denoted by .
fceiling -
The term (fceiling ) denotes the smallest integer (as a floating point number) greater than
the object denoted by .
ffloor -
The term (ffloor ) denotes the largest integer (as a floating point number) less than
the object denoted by .
float -
The term (float ) denotes the floating point number equal to the object denoted by
.
float-digits -
The term (float-digits ) denotes the number of digits used in the representation
of a floating point number denoted by .
float-precision -
The term (float-precision ) denotes the number of significant digits
in the floating point number denoted by .
float-radix -
The term (float-radix ) denotes the radix of the
floating point number denoted by . The most common values are 2
and 16.
float-sign -
The term (float-sign ) denotes a floating-point
number with the same sign as the object denoted by and
the same absolute value as the object denoted by .
floor -
The term (floor ) denotes the largest integer less than the object denoted by
.
fround -
The term (fround ) is equivalent to (ffloor (+ 0.5 )).
ftruncate -
The term (ftruncate ) denotes the largest integer (as a floating point number)
less than the object denoted by .
gcd -
The term (gcd ) denotes the greatest common divisor of the
objects denoted by through .
imagpart -
The term (imagpart ) denotes the imaginary part of the
object denoted by .
integer-decode-float -
The term (integer-decode-float ) denotes the significand
of the object denoted by .
integer-length -
The term (integer-length ) denotes the number of bits
required to store the absolute magnitude of the object denoted by
.
isqrt -
The term (isqrt ) denotes the integer square root of the
object denoted by .
lcm -
The term (lcm ) denotes the least common
multiple of the objects denoted by 
.
log -
The term (log ) denotes the logarithm of the
object denoted by in the base denoted by .
logand -
The term (logand ) denotes the bit-wise
logical and of the objects denoted by through .
logandc1 -
The term (logandc1 ) is equivalent to (logand (lognot ) ).
logandc2 -
The term (logandc2 ) is equivalent to (logand (lognot )).
logcount -
The term (logcount ) denotes the number of on bits in the object denoted
by . If the denotation of is positive, then the one bits are counted;
otherwise, the zero bits in the twos-complement representation are counted.
logeqv -
The term (logeqv ) denotes the logical-exclusive-or of the
objects denoted by .
logior -
The term (logior ) denotes the bit-wise logical inclusive or of the
objects denoted by through . It denotes 0 if there are no arguments.
lognand -
The term (lognand ) is equivalent to (lognot
(logand )).
lognor -
The term (lognor ) is equivalent to (not (logior
)).
lognot -
The term (lognot ) denotes the bit-wise logical not of the object denoted by .
logorc1 -
The term (logorc1 ) is equivalent to (logior (lognot
) ).
logorc2 -
The term (logorc2 ) is equivalent to (logior
(lognot )).
logxor -
The term (logxor ) denotes the bit-wise logical exclusive or of
the objects denoted by through . It denotes 0 if there are no arguments.
max -
The term (max 
) denotes the largest object
denoted by through .
min -
The term (min ) denotes the smallest
object denoted by through .
mod -
The term (mod ) denotes the root of the object
denoted by modulo the object denoted by .
The result will have the same sign as denoted by .
numerator -
The term (numerator ) denotes the numerator of the canonical reduced form of
the object denoted by .
phase -
The term (phase ) denotes the angle part of the polar representation of
the object denoted by (in radians).
rationalize -
The term (rationalize ) denotes the rational representation of the object
denoted by .
realpart -
The term (realpart ) denotes the real part of the object denoted by .
rem - The term (rem <number> <divisor>) denotes the remainder of the object denoted by <number> divided by the object denoted by <divisor>. The result has the same sign as the object denoted by <divisor>.
round -
The term (round ) denotes the integer nearest to the object denoted by .
If the object denoted by is halfway between two integers (for example 3.5),
it denotes the nearest integer divisible by 2.
scale-float -
The term (scale-float ) denotes a floating-point
number that is the representational radix of the object denoted by
raised to the integer denoted by .
signum -
The term (signum ) denotes the sign of the object denoted by . This is one of -1,
1, or 0 for rational numbers, and one of -1.0, 1.0, or 0.0 for floating point numbers.
sin -
The term (sin ) denotes the sine of the object denoted by (in radians).
sinh -
The term (sinh ) denotes the hyperbolic sine of the object denoted by (in radians).
sqrt -
The term (sqrt ) denotes the principal square root of the object denoted by .
tan -
The term (tan ) denotes the tangent of the object denoted by (in radians).
tanh -
The term (tanh ) denotes the hyperbolic tangent of the object denoted by
(in radians).
truncate -
The term (truncate ) denotes the largest integer less than the object denoted
by .