Texas Instruments TI-30XS User Manual - Page 15
Percentages - calculator
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F ¶D 4 % N 1 $ 2 " % j < Examples q1 8 2 T 1 8 3 $ 4 (MathPrint™ < mode only) (MathPrint qM5 T%b5 mode only) FU4 D 1 ED 6 E$2 D 1 E< Percentages % _ % R To perform a calculation involving a percentage, press % _ after entering the value of the percentage. To express a value as a percentage, press %R after the value. Example 2 % _ V 150 < 1 q 5 "% R < ³ Problem A mining company extracts 5000 tons of ore with a concentration of metal of 3% and 7300 tons with a concentration of 2.3%. On the basis of these two extraction figures, what is the total quantity of metal obtained? If one ton of metal is worth 280 dollars, what is the total value of the metal extracted? 3 % _ V 5000 < Copyright © 2006 Texas Instruments Incorporated 15
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Copyright © 2006 Texas Instruments Incorporated
15
Percentages
%
_
%
R
To perform a calculation involving a percentage, press
%
_
after entering the value of the percentage.
To express a value as a percentage, press
%R
after the
value.
Example
³
Problem
A mining company extracts 5000 tons of ore with a
concentration of metal of 3% and 7300 tons with a
concentration of 2.3%. On the basis of these two extraction
figures, what is the total quantity of metal obtained?
If one ton of metal is worth 280 dollars, what is the total value
of the metal extracted?
F
¶
D
4
% N
1
$
2
"
%
j
<
Examples
(MathPrint™
mode only)
q
1
8
2
T
1
8
3
$
4
<
(MathPrint
mode only)
qM
5
T%b
5
FU
4
D
1
ED
6
E$
2
D
1
E<
2
%
_
V
150
<
1
q
5
"%
R
<
3
%
_
V
5000
<