4.2.7.        Arithmetic Operations

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 x

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

4.2. Direct Input


www.geogebra.org