Texas Instruments TI-5660 - Calculating Percentages; Calculating Tax

7
Calculating Percentages
DECIMAL =
F,
ROUND =
5/4,
TAX =
CALC,
PRINTER =
ON
Percent
49 x 15%
Press Display Print
2
49
?
49. 49. x
15
>
7.35
15.
7.35
%
∗
Percent Ratio
29.5 is what percent of 25?
Press Display Print
2
29.5
'
29.5 29.5
ö
25
>
25. %
118. 118.
∗
Calculating Tax
DECIMAL =
F
, ROUND =
5/4
, TAX =
SET
, PRINTER =
ON
Add-On
1,450 + 15% tax
Press Display Print
2
15, then move
TAX
switch to
CALC
0. 15. %
1450
!
1,450.
217.5
@
1,667.5 1,667.5
∗
Discount
235
-
17.5%
(Remember to move the
TAX
switch to
SET
before you begin.)
Press Display Print
2
17
L
5, then move
TAX
switch to
CALC
0. 17.5 %
235
"
235.
35.
T
200. 200.
∗