To enter numbers, coordinates, or equations (see Direct Input) you may use arithmetic expressions with parentheses. The following operations are available in GeoGebra:
|
Operation |
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, of e) |
ln( ) or log( ) |
|
logarithm of 2 |
ld( ) |
|
logarithm of 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( ) |
Examples:
·
Midpoint M of two points A and B
might be entered as
M = (A + B) / 2
·
The length of a vector v might be
calculated using
l = sqrt(v * v)
Note: In GeoGebra you can do calculations with points and vectors as well.
Related Topics