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