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How to Do Basic Math in GeoGebra


To start, you should familiarize yourself with the following symbols and terms:

  • Addition: +

  • Subtraction: -

  • Multiplication: * or space

  • Division: / or :

  • Exponents: ^ + <Exponent>

  • Square root: sqrt(<Number>)

  • nth roots: nroot(<Number>, <n>)

  • An exact/symbolic value is a value given as a fraction or a root, with GeoGebra icon before it. An exact value can also be an integer.

  • A numeric value is a value given by a rounded decimal number, with GeoGebra icon before it.

Example 1

To compute 23, type 2^3.

To compute 4, type sqrt(4).

To compute 273, type nroot(27, 3).

To compute 8 7 (22 3 4 ), type 8-7(2^2-3/4).

Example 2

To enter fractions in GeoGebra, use “/” or “:”. For example, 2 3 is entered as 2/3.

If you have several terms or factors in the fraction, you must use parentheses around the numerator and the denominator. For example, to compute 2 53 = 2 15, type

2/(5*3) or 2/(5 3)

If you type

2/5 * 3 or 2/5 3

then you get

2 5 3 = 6 5 2 15

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