Casio fx-100AU PLUS User Manual download pdf (Page 7)

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Square and other roots

The calculator has inbuilt buttons for square and cube root as well as a button for any root.

Examples

The button sequence s5= determines the value of √5.

The button sequence to calculate the 5

root of 20 is qF5$20=.

Greatest common devisor and Lowest common multiple

Mode: 1 Computation or 2 statistics

Method: Access GCD or LCM then enter the pair of numbers separated by a comma.

Example

The greatest common devisor is also called the highest common factor. To calculate the greatest

common devisor of 45 and 80 press Q O45 q ) 80)=.

To calculate the lowest common multiple of 12 and 9 press QP12 q )9)=.

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Casio fx-100AU PLUS User Manual Page 7