HP 40gs Manual do Utilizador descarregar pdf (Página 155)

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Using mathematical functions 13-1

Using mathematical functions

Math functions

The HP 40gs 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 in HOME view, 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.

Note that this chapter covers only the use of mathematical

functions in HOME view. The use of mathematical

functions in CAS is described in Chapter14, “Computer

Algebra System (CAS)”.

The MATH menu

The MATH menu provides access to math functions,

physical constants, and programming constants. You can

also access CAS commands.

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.

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