HP 48gII Graphing Calculator Bedienungsanleitung PDF herunterladen (Seite 132)

100

101

Page 3-7

„À1.35`

In RPN mode:

0.25`„¼

0.85`„¾

1.35`„À

All the functions described above, namely, ABS, SQ, √, ^, XROOT, LOG,

ALOG, LN, EXP, SIN, COS, TAN, ASIN, ACOS, ATAN, can be combined

with the fundamental operations (+-*/) to form more complex

expressions. The Equation Writer, whose operations is described in Chapter

2, is ideal for building such expressions, regardless of the calculator

operation mode.

Differences between functions and operators

Functions like ABS, SQ, √, LOG, ALOG, LN, EXP, SIN, COS, TAN, ASIN,

ACOS, ATAN require a single argument. Thus, their application is ALG

mode is straightforward, e.g., ABS(x). Some functions like XROOT require

two arguments, e.g., XROOT(x,y). This function has the equivalent keystroke

sequence ‚».

Operators, on the other hand, are placed after a single argument or between

two arguments. The factorial operator (!), for example, is placed after a

number, e.g., 5~‚2`. Since this operator requires a single

argument it is referred to as a unary operator. Operators that require two

arguments, such as + - * / Q, are binary operators, e.g.,

3*5, or 4Q2.

Real number functions in the MTH menu

The MTH (MaTHematics) menu include a number of mathematical functions

mostly applicable to real numbers. To access the MTH menu, use the

keystroke combination „´. With the default setting of CHOOSE boxes

for system flag 117 (see Chapter 2), the MTH menu is shown as the following

menu list:

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 863 864

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