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fx-82MS      iPad      Windows98      WindowsXP


Negative sign

On an iPad calculator you can enter negative numbers with the key

+/−

 


Example 1

To calculate 5 × −2 = −10

 5  ×  2  +/− -2  = -10 

 


Example 2

To calculate 2−1 = 0.5

 2  yx  1  +/− -1  = 0.5 

 


Example 3

To calculate (−2)3 = −8 without entering brackets

 2  +/− -2  x3 -8 

 


Example 4

To calculate cos-1(−1) = π

 1  +/− 2nd cos-1 3.141593 

 


Example 5

To calculate 2 − − 1 = 3

 2   1  +/− −1    =

 


Example 6

To calculate 3 × 5 × 10-9 = 1.5 × 10-8

 3  ×  5  EE 15   9  +/− = 1.5e-8 

 


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