Calculating percentages – Texas Instruments TI-5640 User Manual
Page 8
7
ENG5640.DOC TI-5640 Guidebook, English for Americas Texas
Instruments Inc Revised: 05/23/00 4:43 PM Printed: 06/22/00
5:31 PM Page 7 of 8
ENG5640.DOC TI-5640 Guidebook, English for Americas Texas
Instruments Inc Revised: 05/23/00 4:43 PM Printed: 06/22/00
5:31 PM Page 7 of 8
Calculating a Loss Amount
An item cost you 35,000. You must sell it, but
can only afford to lose 33.3%. Calculate the selling price.
Press
Display
2
35000
#
35,000.
35,000. M
33.3
O
3
33.3
8,743.435859
–%
T
∗
26,256.56
26,256.56
∗
Calculating Percentages
DECIMAL = F, ROUND = 5/4, PRINTER = ON
Percent
49 x 15%
Press
Display
2
49
?
49.
49.
x
15
>
7.35
15.
7.35
%
∗
Add-On
1,450 + 15%
Press
Display
2
1450
?
1,450
1,450.
x
15
>
217.5
15.
217.5
%
∗
9
1,667.5
1,667.5 + %
Discount
69.95
-
10%
Press
Display
2
69.95
?
69.95
69.95
x
10
>
6.995
10.
6.995
%
∗
.
62.95
62.955
-
%
Percent Ratio
29.5 is what percent of 25?
Press
Display
2
29.5
'
29.5
29.5.
ö
25
>
118.
25.
118.
%
∗