Getting started 1-7
HELPWITH The HP 39gs built-in help is available in HOME only. It
provides syntax help for built-in math functions.
Access the HELPWITH command by pressing
SYNTAX and then the math key for which you require
syntax help.
Example Press SYNTAX
Note: Remove the left parenthesis from built-in
functions such as sine, cosine, and tangent before
invoking the HELPWITH command.
Math keys HOME ( ) is the place to do calculations.
Keyboard keys. The most common operations are
available from the keyboard, such as the arithmetic (like
) and trigonometric (like ) functions. Press
to complete the operation: 256
displays 16.
.
MATH menu. Press
to open the MATH
menu. The MATH menu is a
comprehensive list of math
functions that do not appear
on the keyboard. It also
includes categories for all other functions and constants.
The functions are grouped by category, ranging in
alphabetical order from Calculus to Trigonometry.
• The arrow keys scroll through the list ( , )
and move from the category list in the left column
to the item list in the right column ( , ).
• Press to insert the selected command onto the
edit line.
• Press to dismiss the MATH menu without
selecting a command.
• Pressing displays the list of Program
Constants. You can use these in programs that
you develop.
HP 39gs English.book Page 7 Wednesday, December 7, 2005 11:24 PM
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