Handle tips, discounts, tax, and probability more easily.
18% tip on 50
9
40% of 25
10
15% off 200
170
2% of 1000
20
50% of 12
6
1% of 500
5
20% tip on 60
12
75% of 40
30
10% off 90
81
200% of 15
10% of 120
25% of 80
50% off 70
35
5% of 400
30% of 60
18
3% of 200
20% off 50
40
15% of 40