Calculating Percentages; Using Memory - Texas Instruments E-5032 User Manual

Performing Basic Calculations
Addition and Subtraction 12.41 – 3.95 + 5.40 = 13.86
POWER = IC, ROUND = 5/4, DECIMAL = +
Enter/Press Display
2
A B 5 A 9
12.41
C , 6 . 8.46
[
8.46
6 5 J 9 13.86
\
13.86
Multiplication and Division 11.32 Q (–6) P 2 = –33.96
POWER = PRT, ROUND = 5/4, DECIMAL = F
Enter/Press Display
2
A A L C B ? 11.32
7 ' 67.92
B 3
33.96
2
Squares 2.5 = 6.25
Enter/Press Display
2
B L 6 ? 3
6.25
Reciprocals 1/25 = 0.04
Enter/Press Display
2
B 6 ' 3 3
0.04

Calculating Percentages

POWER = PRT, ROUND = 5/4, DECIMAL = 2
Percent
Enter/Press
Print
2
0. 0h C
5 , ?
12h41 +
A 6 >
3h95 –
002hhhhhhhhhhhhhh
8h46 g
Add-On
5h40 +
Enter/Press
003hhhhhhhhhhhhhh
13h86 i
2
A 5 6 J ?
A 6 >
9
Print
0. 0h C
Discount
11h32 Q
Enter/Press
6h P
2
2h =
33h96 i
7 , L , 6 ?
A J >
.
Print
0. 0h C
Percent Ratio 29.5 is what percent of 25?
2h5 Q
2h5 = Enter/Press
6h25 i
2
B , L 6 '
B 6 >
Print
0. 0h C
25h P
25h =
1h i
1h =
0h04 i
49 x 15%
Display Print
0.
49.
7.35
$1,450 + 15%
Display Print
0.
1,450.
217h50 i
217.50
1,667.5 1,667h50 +%
$69.95 - 10%
Display Print
0.
69.95
7.00
62.95
Display Print
0.
29.5
118.00 118h00 i
4
Using Constants
POWER = PRT, ROUND = 5/4, DECIMAL = F
Multiply by a Constant
The first number in a multiplication problem is the constant multiplier.
Enter/Press
0h C
2
49h x
6 ?
15h %
C 3
7h35 i
5 3
Divide by a Constant
The second number in a division problem is the constant divisor.
0h C
Enter/Press
1,450h x
2
15h %
7 7 '
C 3
, J 3

Using Memory

0h C
POWER = PRT, ROUND = 5/4, DECIMAL = 2
69h95 x
You have $100. Can you purchase 3 items at $10.50, 7 items at
10h %
$7.25, and 5 items at $4.95?
7h00 i
Enter/Press
62h95 –%
0
A J L 6 J ? C
N
M
* L B 6 ? *
0h C
N M
29h5 P
5 L , 6 ?
25h %
6 N
M
;
M
You cannot purchase all the items. Eliminate the last group of items.
5 L , 6 ?
6 F
M
0
5 x 3 = 15 5 x 4 = 20
Display Print
0. 0h C
5. 5h x
3h =
15. 15h i
4h =
20. 20h i
66 ÷ 3 = 22 90 ÷ 3 = 30
Display Print
0. 0h C
66. 66h ÷
3h =
i
22. 22h
90h =
i
30. 30h
Display Print
0.00 0.00 Mi
10h5 x
3h =
31.50 31h50 M+
7h25 x
50.75 7h =
50h75 M+
4h95 x
5h =
24.75 24h75 M+
107.00 107h00 Mg
4h95 x
5h =
24.75 24h75 M–
82.25 82h25 Mi