Index

Elementary functions
Functions are listed in the table.

Left column is the ArtSGraph notation of the function, right column is the name of the
function in common mathematical notation. x is a real number argument,  a is a real
number, n is an integer.

Function

Value

exp(x)

ex, exponent

ln(x)

ln x, natural logarithm 

lg(x)

 lg x, common algorithm

log(a,x)

Logax, logarithm to the base a

sqrt(x)

, square root

abs(x)

|x|, absolute value

sin(x)

sin x, sine

cos(x)

cos x, cosine

tg(x)

tg x, tangent

ctg(x)

ctg x, cotangent 

asin(x)

arcsin x, arcsine

acos(x)

arccos x, arccosine

atg(x)

arctg x, arctangent

actg(x)

arcctg x, arccotangent

sh(x)

sh x, hyperbolic sine

ch(x)

ch x, hyperbolic cosine

ent(x)

[x], whole part of number, greatest whole, not exceeding x, ent(-3.5) = -4, ent(3.5) = 3, ent(3) = 3

sign(x)

sign x, the sign of number, is equal to -1 for negative numbers, 0 — For zero, and 1 — For positive numbers