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) |
|
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 |