fx-82MS fx-82TL fx-9860GII TI-83
(–)
On a Casio calculator you can enter a minus sign
(–)
Example 1
To calculate 5 × -2 = -10
5 × (–) 2 EXE 5× -2 -10
Example 2
To calculate 2−1 = 0.5 where you have a negative exponent
2-1 2 ∧ (–) 1 EXE 0.5
Voorbeeld 3
To assign the value -123 to variabele A
(–) 1 2 3 → A -123→A -123
Voorbeeld 4
To calculate cos-1(-1) = π in radians
cos-1 E cos-1 -1 SHIFT cos (–) 1 EXE π
Example 5
To calculate (-2)4 = 16
(-2)4 ( (–) 2 ) ∧ 4 EXE 16
If a calculation has a negative number as an argument, this negative number must be enclosed in parentheses.
Example 6
To enter 2 - 1
Syntax ERROR Press:[EXIT] 2 (–) 1 EXE 2-1 2-1
A minus sign cannot be used to subtract.
Example 7
To calculate 2 − -1 = 3
2 − (–) 1 EXE 2− -1 3
Example 8
To calculate 3 × 5 × 10−9 = 1.5 × 10−8
3 × 5 EXP (–) 9 EXE 3×5E -9 1.5E -08
Example 9
To calculate √-1 = i
√ r
√-1 SHIFT x² (–) 1 EXE i
Be sure to select SET UP Complex Mode a+bi.