Functions In The Arithmetic Menu - HP 49g+ User Manual

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These functions allow to simplify expressions by replacing some category of
trigonometric functions for another one. For example, the function ACOS2S
allows to replace the function arccosine (acos(x)) with its expression in terms
of arcsine (asin(x)).
Description of these commands and examples of their applications are
available in the calculator's help facility (IL@HELP). The user is invited to
explore this facility to find information on the commands in the TRIG menu.
Notice that the first command in the TRIG menu is the HYPERBOLIC menu,
whose functions were introduced in Chapter 2.

Functions in the ARITHMETIC menu

The ARITHMETIC menu contains a number of sub-menus for specific
applications in number theory (integers, polynomials, etc.), as well as a
number of functions that apply to general arithmetic operations. The
ARITHMETIC menu is triggered through the keystroke combination „Þ
(associated with the 1 key).
With system flag 117 set to CHOOSE
boxes, „Þ shows the following menu:
Out of this menu list, options 5 through 9 (DIVIS, FACTORS, LGCD,
PROPFRAC, SIMP2) correspond to common functions that apply to integer
numbers or to polynomials. The remaining options (1. INTEGER, 2.
POLYNOMIAL, 3. MODULO, and 4. PERMUTATION) are actually sub-menus
Page 5-9

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