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.

Getting started

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