fx-82MS      fx-82TL      fx-9860GII      TI-83

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(–)

On a Casio calculator you can enter a minus sign

(−)

 

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Example 1

To calculate 5 × −2 = −10

							5×-2                -10.
5	×		(−)	2	=

 

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Example 2

To calculate 2⁻¹ = 0.5

							2xy-1                0.5
2	Xy		(−)	1	=

 

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Example 3

To store the value −123 in variable A

						-123→A              -123.
(−)	1 2 3	STO		A

 

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Example 4

To calculate cos^-1(−1) = π

SHIFT		cos⁻¹E						cos-1 -1             3.141592654
		cos		(−)	1	=

 

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Example 5

To calculate (−2)⁴ = 16

										(-2)xy4             16.
(		(−)	2	)		Xy	4	=

When a calculation contains an argument that is a negative number, this negative number must be enclosed within brackets. The negative sign (−) is treated as a type B function, so particular care is required when the calculation includes a high priority type A function, or power or root operation.

 

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Example 6

A negative sign cannot be used to perform a subtraction

			2-1_                 0.					Syn ERROR
2	(−)	1				=

 

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Example 7

To calculate 2 − − 1 = 3

							2− -1_              3.
2	−		(−)	1	=

 

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Example 8

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

									3×5E - 9             1.5 -08
3	×	5	EXP		(−)	9	=

 

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