Formula Primitive Functions

The following list contains the names and descriptions of the Formula Primitive functions. All function names must be lowercase. You can also use operators.

Function	Description
abs(x)	Returns the absolute value of x.
acos(x)	Computes the inverse cosine of x in radians.
acosh(x)	Computes the inverse hyperbolic cosine of x.
asin(x)	Computes the inverse sine of x in radians.
asinh(x)	Computes the inverse hyperbolic sine of x.
atan(x)	Computes the inverse tangent of x in radians.
atanh(x)	Computes the inverse hyperbolic tangent of x.
ceil(x)	Rounds x to the next higher integer (smallest integer >= x).
ci(x)	Evaluates the cosine integral for a non-negative x.
cos(x)	Computes the cosine of x, where x is in radians.
cosh(x)	Computes the hyperbolic cosine of x.
cot(x)	Computes the cotangent of x (1/tan(x)), where x is in radians.
csc(x)	Computes the cosecant of x (1/sin(x)), where x is in radians.
exp(x)	Computes the value of e raised to the x power.
expm1(x)	Computes one less than the value of e raised to the x power ((e^x) – 1).
floor(x)	Truncates x to the next lower integer (largest integer <= x).
gamma(x)	Evaluates the complete Gamma function for x.
getexp(x)	Returns the exponent of x.
getman(x)	Returns the mantissa of x.
int(x)	Rounds x to the nearest integer.
intrz(x)	Rounds x to the nearest integer between x and zero.
ln(x)	Computes the natural logarithm of x (to the base of e).
lnp1(x)	Computes the natural logarithm of (x + 1).
log(x)	Computes the logarithm of x (to the base of 10).
log2(x)	Computes the logarithm of x (to the base of 2).
pi(x)	Returns the product of and x.
rand(x)	Produces a floating-point number between 0 and 1 exclusively.
rem(x,y)	Computes the remainder of x/y, when the quotient is rounded to the nearest integer.
sec(x)	Computes the secant of x, where x is in radians (1/cos(x)).
si(x)	Evaluates the sine interval for x.
sign(x)	Returns 1 if x > 0, returns 0 if x is equal to 0, and returns –1 if x < 0.
sin(x)	Computes the sine of x, where x is in radians.
sinc(x)	Computes the sine of x divided by x (sin(x)/x), where x is in radians.
sinh(x)	Computes the hyperbolic sine of x.
spike(x)	Generates the spike function for x.
step(x)	Generates the step functions for x.
square(x)	Generates the square function for x.
sqrt(x)	Computes the square root of x.
tan(x)	Computes the tangent of x, where x is in radians.
tanh(x)	Computes the hyperbolic tangent of x.

Adding Formula Primitives

Formula Primitive Operators

Primitive Types