Plus key
Press for addition.
Ex: To calculate 3 + 2, perform: 3 2 5
Minus key
Press for subtraction.
Ex: To calculate 3 – 2, perform: 3 2 1
Also use this key to create negative numbers.
Ex. 12 28 –16
Division key
Press for division.
Ex: To calculate 6
÷
2, perform: 6 2 3
Multiplication key
Press for multiplication.
Ex: To calculate 6 x 2, perform: 6 2 12
Equals key
Completes arithmetic calculations and complex number calculations.
Ex: 3 2 1
Percent key
Use for percentage calculation and discount calculation.
Ex: To calculate 25% of 80, perform: 80 25 0.25 20
Clear entry key
Use to clear an incorrectly entered number.
Ex: If you want to calculate 123 + 456 and you incorrectly enter 123 + 455, press:
123 455 456 579
Open parenthesis and Close parenthesis keys
Use to open and close parenthesis in a more complicated arithmetic or complex number calculation.
Ex: To calculate 6 x (5+6) perform: 6 5 6 66
You can also use these keys to enter a negative value—no calculation required.
Ex. 4 3 –12
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