Zte WP822R User Manual page 40

1. Select Menu→ Extra→ Calculator.
2. Press 0~9 Number Key to key in digits. And press Left/Right
key to scroll to the symbol you want, press MENU/SELECT key to
select the operator.
÷
-
=
+
X
.
C
MR
MS
MC
±
Press CLR/BACK key to erase digit one by one and exit to
previous window, press
Division Sign
Subtraction Sign
Equal Sign
Plus Sign
Multiply Sign
Decimal point
Clear all input digits and reset to Zero
Reckon the Number saved
Save the current result
Clear the saved result
Change digit to positive number or
negative
key to exit to Menu display.
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