Sample Calculations
Addition and Subtraction
123 + 23 + 3 - 15 = 134
Entry
|
Operation
|
Result
|
123
= |
= |
123 |
= |
123 |
23
+ |
+ |
23 |
= |
146 |
3
+ |
+ |
3 |
= |
149 |
15
- |
- |
15 |
= |
134 |
Multiplication and Division
(3 x 4 x 2) / 2 = 12
Entry
|
Operation
|
Result
|
3 = |
= |
3 |
= |
3 |
4
x |
x |
4 |
= |
12 |
2
x |
x |
2 |
= |
24 |
2
/ |
/ |
2 |
= |
12 |
Percentage
100 + 15% = 115
Entry
|
Operation
|
Result
|
100
= |
= |
100 |
= |
100 |
15
% |
% |
15 |
= |
15 |
+ |
+ |
|
= |
115 |
Tax Calculations
100 + 15% sales tax = 115 (tax rate entered)
115 - 15% sales tax = 100 (tax rate shown)
200 + 15% sales tax = 230 (same tax rate)
Entry
|
Operation
|
Result
|
15
TX |
TX |
15 |
|
|
100
= |
= |
100 |
= |
100 |
T+ |
T+ |
15 |
= |
115 |
|
|
|
|
|
TX |
TX |
15 |
|
|
115
= |
= |
115 |
= |
115 |
T- |
T- |
15 |
= |
100 |
|
|
|
|
|
200
= |
= |
200 |
= |
200 |
T+ |
T+ |
30 |
= |
230 |
Mark Up
20% mark up of 160 = 200
Entry
|
Operation
|
Result
|
160
= |
= |
160 |
= |
160 |
20
%+ |
%+ |
20 |
= |
40 |
+ |
+ |
|
= |
200 |
Mark Down
20% mark down of 240 = 200
Entry
|
Operation
|
Result
|
240
= |
= |
240 |
= |
240 |
20
%- |
%- |
40 |
= |
40 |
- |
- |
|
= |
200 |
Subtotals and Grand Total
12 + 14 = 26
34 + 4 = 38
Total = 64
Entry
|
Operation
|
Result
|
12
= |
= |
12 |
= |
12 |
14
+ |
+ |
14 |
= |
26 |
= |
= |
26 |
|
0 |
34
+ |
+ |
34 |
= |
34 |
4
+ |
+ |
4 |
= |
38 |
= |
= |
38 |
|
0 |
# |
# |
64 |
|
0 |