To create numbers, coordinates, or equations (see section Direct Input) you may also use the following pre-defined functions and operations.
Note: The pre-defined functions need to be entered using parentheses. You must not put a space between the function name and the parentheses.
Operation / Function |
Input |
Addition |
+ |
Subtraction |
- |
Multiplication |
* or
Space key |
Scalar product |
* or
Space key |
Division |
/ |
Exponentiation |
^ or 2 |
Factorial |
! |
Gamma function |
gamma( ) |
Parentheses |
( ) |
x-coordinate |
x( ) |
y-coordinate |
y( ) |
Absolute value |
abs( ) |
Sign |
sgn( ) |
Square root |
sqrt( ) |
Cubic root |
cbrt( ) |
Random number between 0 and 1 |
random( ) |
Exponential function |
exp( ) or ℯx |
Logarithm (natural, to base e) |
ln( ) or log( ) |
Logarithm to base 2 |
ld( ) |
Logarithm to base 10 |
lg( ) |
Cosine |
cos( ) |
Sine |
sin( ) |
Tangent |
tan( ) |
Arc cosine |
acos( ) |
Arc sine |
asin( ) |
Arc tangent |
atan( ) |
Hyperbolic cosine |
cosh( ) |
Hyperbolic sine |
sinh( ) |
Hyperbolic tangent |
tanh( ) |
Antihyperbolic cosine |
acosh( ) |
Antihyperbolic sine |
asinh( ) |
Antihyperbolic tangent |
atanh( ) |
Greatest integer less than or equal |
floor( ) |
Least integer greater than or equal |
ceil( ) |
Round |
round( ) |