158
Using mathematical functions
-
Negation. Also accepts complex numbers.
–
value
Example:
-(1+2*i)
returns
-1-2*i
S
ABS
Absolute value. For a complex number, this is
.
ABS
(
value
)
ABS
((
x
+
y*i
))
Example:
ABS(–1
)
returns
1
ABS((1,2))
returns
2.2360679775
The Math menu
The Math menu provides access to math functions, units,
and physical constants.
By default, pressing
b
opens the Math Functions
menu. Each of the three menus (Math Functions, Units,
and SI Constants) has its own menu key. 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
b
, 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.
x
2
y
2
+
Содержание 39gII
Страница 1: ...HP 39gII graphing calculator user s guide Edition1 Part Number NW249 90001 ...
Страница 2: ...Printing History Edition 1 November 201 1 ...
Страница 32: ...22 Getting started ...
Страница 58: ...48 Apps and their views ...
Страница 70: ...60 Function app ...
Страница 80: ...70 Solve app ...
Страница 132: ...122 Parametric app your own table and the split screen functionality available in the Function app ...
Страница 136: ...126 Polar app ...
Страница 140: ...130 Sequence app ...
Страница 148: ...138 Finance app ...
Страница 152: ...142 Linear Solver app ...
Страница 218: ...208 Matrices ...
Страница 226: ...216 Notes and Info ...
Страница 238: ...228 Variables and memory management ...
Страница 318: ...308 Programming ...
Страница 340: ...330 Reference information ...
Страница 346: ...vi Product Regulatory Information ...