Mathematical Calculations - HP 20b Business Consultant Quick Start Manual

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Mathematical Calculations

Mathematical Functions
Mathematical functions are located:
On keys, such as,

On shifted, or secondary functions, such as,

In the Math menu

Number Entry and Display
Numbers are entered by pressing:
Numbered keys, 0-9

The decimal point

}
The

:w
The

To correct a number entry, press
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.
+-*/
:s
.
key
keys
{
etc.
:p
{
. Each press of
20
Mathematical Calculations
erases the last digit or