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fx-82MS      iPad      Microsoft      WindowsXP


Negative sign

On a Microsoft 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  xy  1  ± -1 = 0.5

 


Example 3

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

 2  ± -2 x3 -8

 


Example 4

To calculate 10−1 = 0.1

 1  ± 10x 0.1

 


Example 5

To calculate 2 − − 1 = 3

 2   1  ± 1 = 3

 


Example 6

To calculate cos-1(−1) = π

 1  ± Inv cos-1 3.1415926535897932384626433832795

 


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