Math operations – Texas Instruments BA II PLUS User Manual
Page 12
8
Overview of Calculator Operations
Math Operations
When you select the chain (
Chn
) calculation method, the calculator
evaluates mathematical expressions (for example, 3 + 2
Q 4) in the order
that you enter them.
Examples of Math Operations
These operations require you to press
N to complete.
These operations do not require you to press
N to complete.
To
Press
Display
Add 6 + 4
6
H
4
N
10.00
Subtract 6
N 4
6
B
4
N
2.00
Multiply 6
Q 4
6
<
4
N
24.00
Divide 6
P 4
6
6
4
N
1.50
Find universal power: 3
1.25
3
;
1.25
N
3.95
Use parentheses: 7
Q (3 + 5)
7
< 9
3
H
5
: N
56.00
Find percent: 4% of $453
453
<
4
2 N
18.12
Find percent ratio: 14 to 25
14
6
25
2 N
56.00
Find price with percent add-on:
$498 + 7% sales tax
498
H
7
2
N
34.86
532.86
Find price with percent discount:
$69.99
N 10%
69.99
B
10
2
N
7.00
62.99
Find number of combinations where:
n = 52, r = 5
52
& s
5
N
2,598,960.00
Find number of permutations where:
n = 8, r = 3
8
& m
3
N
336.00
To
Press
Display
Square 6.3
2
6.3
4
39.69
Find square root:
15.5
3
3.94
Find reciprocal: 1/3.2
3.2
5
0.31
Find factorial: 5!
5
& g
120.00
Find natural logarithm: ln 203.45
203.45
>
5.32
15.5