Calculating Percentages; Calculating Tax - Texas Instruments TI-5660 Manual De Instrucciones

Calculating Percentages

DECIMAL = F, ROUND = 5/4, TAX = CALC, PRINTER = ON
49 x 15%
Percent
Press
2 49 ?
15 >
29.5 is what percent of 25?
Percent Ratio
Press
2 29.5 '
25 >

Calculating Tax

DECIMAL = F, ROUND = 5/4, TAX = SET, PRINTER = ON
1,450 + 15% tax
Add-On
Press
2 15, then move TAX
switch to CALC
1450 !
235 - 17.5%
Discount
(Remember to move the TAX switch to SET before you begin.)
Press
2 17 L 5, then move
TAX switch to CALC
235 "
Display
49.
7.35
Display
29.5
118.
Display
0.
1,667.5
Display
0.
200.
7
Print
49. x
15. %
∗
7.35
Print
29.5
ö
25. %
∗
118.
Print
15. %
1,450.
@
217.5
∗
1,667.5
Print
17.5 %
235.
T
35.
∗
200.