To share your current calculation with a friend, simply send them the current URL of the calculator.
For this example, remember that 20% = 20 ÷ 100 = 0.2.
| Example | What's 20% of $10? |
|---|
| You type | 10 × 20% |
|---|
| The app calculates | 10 × 0.2
= 2 |
|---|
| Example | Apply a 20% discount to $10. |
|---|
| You type | 10 − 20% |
|---|
| The app calculates | 10 × (1 − 0.2)
= 10 × 0.8
= 8 |
|---|
| Example | Add 20% tax to $10. |
|---|
| You type | 10 + 20% |
|---|
| The app calculates | 10 × (1 + 0.2)
= 10 × 1.2
= 12 |
|---|
| Example | If the price is $12 including 20% tax, what's the price without tax? |
|---|
| You type | 12 ÷ (100% + 20%) |
|---|
| The app calculates | 10 ÷ (1 + 0.2)
= 12 ÷ 1.2
= 10 |
|---|