Answer memory

On a Casio calculator answer memory contents are updated with result whenever you press = after inputting values or an expression. Answer memory contents are also updated with result whenever you press % or A through F or X Y M or M+ M− .

Example 1

To calculate

2   0   0 ÷ 7 = × Ans×_
          28.571    1   4 = Ans×14
        400.000

Example 2

To calculate (√2^√2)^√2 = 2

√ 2 ∧ √ 2 = ∧ √ 2 = Ans∧√2
2.

Example 3

To store the value 123 in variable A

1 2 3 RCL A 123→A
123.

Example 4

To discount the sum of 168 and 98 and 734 by 20%

1 6 8 + 9 8 + 7 3 4 = 168+98+734
1,000.

and store the result in variable A

Ans RCL A Ans→A
1,000.

and finally

       A A_
          1,000.    × 2   0        = − A×20%−
             800.

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