NEC e232 User Guide - Page 72
Activating the Calculator, Calculation
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Activating the Calculator ☛ With the standby screen displayed, press 8 and 1 to display the Calculator. Calculation Calculating To calculate using the calculator, for example 52+37: ☛ Key in 52. ☛ Press the key. ☛ Key in 37. ☛ Press . The answer 89 will be displayed in the calculation field. ▼ ▼ Calculating using the temporary memory To calculate using the temporary memory for example 5 x (25 - 5): ☛ Key in 25. ☛ Press the key. ☛ Key in 5. ☛ Press . The answer 20 will be displayed in the calculation field. ☛ Press Softkey 2 to add the displayed number into memory. ☛ Key in 5. ☛ Press the ▲ key. ☛ Press Softkey 1. 20 will be displayed in the field. 2 Pressing Softkey 1 again will clear the memory. ☛ Press . The answer 100 will be displayed in the calculation field. 60