External Keyboard Support for CALC 1

CALC 1 supports external keyboards for quick entry of expressions and common commands for the CALC 1 calculators and HP reproductions.

Expressions

• 0-9 . / *  - +  = ^ (  ) E % = will execute the respective keys on the calculator.
• return will execute the ENTER key.
• delete to remove the most recently entered digit or letter.
• option - to change sign, +/-.
• C or numeric pad 'clear' to clear the x register.

Stack and Display

• right arrow to SWAP, down arrow to ROLL.
• command up and down arrow to increase or decrease the number of rows displayed in the stack.
• command left and right arrow to increase or decrease the number of decimal places.

Calculator Functions

• command 1 - 5 to execute the top row of keys.
• command 6 - 0 to execute the second row of keys.
• command z and shift command z to undo and redo on CALC1 calculators.