Texas Instruments TI-5015 - Page 23

Percentage Add-on or Discount
Following a percentage calculation with the [+l or l -1 key automatically
adds or subtracts the percentage from the principal amount. The principal
amount is the entered number or intermediate result when the last
D<l was
pressed.
Example:
1450 + 15% add-on= i667.5
Enter Press
1450 CXJ
15 @iJ
[i]
Example: 69.95 - 10% discount= 62.955
Enter Press
69.95 l~J
10 ~~
Print
1450.x
15.%
217.5
1667.5A
Print
69.95x
10.%
6.995
62.9550
Example: 129.95 - 25% discount+ 5% tax= 102.335625
Enter Press Print
129.95 00 i29.95x
25
CoLil
25.%
32.4875
c::J
97.46250
[x]
97.4625x
5
lOZil
5.%
4.873125
[::±]
102.335625A
21