HP 20b Consultant Financial manual Mathematical Calculations Mathematical Functions

Mathematical Calculations

2 Mathematical Calculations

Mathematical Functions

Mathematical functions are located:

On keys, such as, +-*/etc.

On shifted, or secondary functions, such as, :p

In the Math menu :s

Number Entry and Display

Numbers are entered by pressing:

Numbered keys, 0-9

The decimal point .

The }key

The :wkeys

To correct a number entry, press {. Each press of {erases the last digit or symbol you entered.

Change how numbers are displayed on screen with the options in the Mode menu. For more information on calculator display settings, see the section titled, The Mode Menu: Setting Preferences.

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