fx-82EX
(–)
(−)
例1
计算 5 × −2 = −10
5 × (−) 2 = 5×-2 -10
例2
计算 2−1 = 0,5
2 x■ (−) 1 = 2-1
例3
(−) 1 2 3 STO A -123→A -123
例4
cos (−) 1 = cos-1(-1 π
例5
计算 (−2)4 = 16
( − 2 ) x■ 4 = (-2)4 16
例6
减法不能使用减号
2 (−) 1 2-1l = Syntax ERROR [AC] :Cancel
[◄][►]:Goto
例7
计算 2 − − 1 = 3
2 − (−) 1 = 2− -1 3
例8
3 × 5 x10x (−) 9 = 3×5×10-9 1.5×10-08