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)
q1 8 2 T 1 8 3 $ 4
<
(MathPrint
mode only)
qM5 T%b5
FU4 D 1 ED 6
E$2 D 1 E<
2 % _
V 150 <
1 q 5 "%
R
<
3 % _
V 5000 <
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