Performing Arithmetic Functions Perform arithmetic functions on Calculator just as you would on a handheld calculator: 1. Enter the first operand. It appears in the accumulator. 2. Enter the function you want to perform. The functions are addition (+), subtraction (-), multiplication * ), and division (/). 3. Enter the second operand. It appears in the accumulator. 4. Enter the equal sign (=). The result appears in the accumulator. Additional topics: * Decimal Keypad and Special Function Bindings * Hexadecimal Keypad and Special Function Bindings * Octal Keypad and Special Function Bindings * Entering Data from the Keyboard * Entering Data from the Keypad * Performing Special Functions * Calculating Square Roots * Calculating Percentages * Clearing the Displays * Using Memory * Undoing the Most Recently Performed Function * Copying Numbers from Other Applications * Copying Numbers to Other Applications * Exiting Calculator * Using Calculator's Menus * Overview of Calculator