Texas Instruments TI-30X Teachers Guide - Page 65

Powers, Roots, and Reciprocals - exponents

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Powers, Roots, and Reciprocals 10 Keys 1. F squares the value. 2. % b calculates the square root. 3. % c calculates the specified root (x) of the value. 4. a calculates the reciprocal. 5. G raises a value to a specified power. Notes • The examples on the transparency masters assume all default settings. • To use G, enter the base, press G, and then enter the exponent. • The base (or mantissa) and the exponent may be either positive or negative. Refer to Domain under Error Messages in Appendix C for restrictions. • The result of calculations with G must be within the range of the TI-30X ÙS. • A sign change takes precedence over exponents. Example: L52 = L25 (L5)2 = 25 4 3 5 2 1 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 61

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© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
61
Powers, Roots, and Reciprocals
10
Keys
1.
F
squares the value.
2.
%
b
calculates the square root.
3.
%
c
calculates the specified root (x) of
the value.
4.
a
calculates the reciprocal.
5.
G
raises a value to a specified power.
Notes
•
The examples on the transparency masters
assume all default settings.
•
To use
G
, enter the base, press
G
, and
then enter the exponent.
•
The base (or mantissa) and the exponent
may be either positive or negative. Refer to
Domain under Error Messages in Appendix
C for restrictions.
•
The result of calculations with
G
must be
within the range of the TI-30X
Ù
S.
•
A sign change takes precedence over
exponents.
Example
:
L
5
2
=
L
25
(
L
5)
2
=
25
1
2
3
4
5