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User Guide for the Kyocera KX440 PTT phone 109
Calculator
Use the calculator for basic mathematical equations.
1. Select Menu
→ Tools → Calculator.
2. Use the keypad to enter numbers.
3. Press to select mathematical operations.
= equal + add x multiply
÷ divide - subtract . decimal point
C Clear all numbers entered and display a zero.
MR Display the value currently stored in memory.
M+ Add the displayed digit to the value stored in memory.
MC Clear the value currently stored in memory.
± Change the sign of the displayed number.
Clear one function or one digit from the screen. Hold down to clear all
of the digits and operations and display a zero.
Exit the calculator and return to home screen.