HP 20b HP 20b Calculator Quick Start Guide - Page 20
Mathematical Calculations, Number Entry and Display
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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 :w keys 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. 20
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Mathematical Calculations
20
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
:w
keys
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.