Using mathematical functions 13-1
13
Using mathematical functions
Math functions
The HP 39gs contains many math functions. The functions
are grouped in categories. For example, the Matrix
category contains functions for manipulating matrices.
The Probability category (shown as Prob. on the MATH
menu) contains functions for working with probability.
To use a math function, you enter the function onto the
command line, and include the arguments in parentheses
after the function. You can also select a math function
from the MATH menu.
The MATH menu
The MATH menu provides access to math functions,
physical constants, and programming constants.
The MATH menu is organized by category. For each
category of functions on the left, there is a list of function
names on the right. The highlighted category is the
current category.
• When you press , you see the menu list of
Math categories in the left column and the
corresponding functions of the highlighted category
in the right column. The menu key indicates
that the MATH FUNCTIONS menu list is active.
To select a function 1. Press to display the MATH menu. The
categories appear in alphabetical order. Press or
to scroll through the categories. To skip directly to
a category, press the first letter of the category’s
name. Note: You do not need to press first.
HP 39gs English.book Page 1 Wednesday, December 7, 2005 11:24 PM
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