# Arithmetic

> Combine two fields with an arithmetic operator: add, subtract, multiply, or divide.

Arithmetic combines two fields with an operator to create a new one.

## Add (+)

Adds the values of two fields together.

### Inputs

| Input | Required? | Description |
| --- | --- | --- |
| Base field | Yes | The first numeric field. |
| Plus | Yes | The field to add. |

### Use cases

- Total cost = price + shipping
- Fully loaded salary = base pay + bonus
- Session length = active time + idle time

## Subtract (-)

Subtracts the value of one field from another.

### Inputs

| Input | Required? | Description |
| --- | --- | --- |
| Base field | Yes | The field to subtract from. |
| Minus | Yes | The field to subtract. |

### Use cases

- Profit = revenue − cost
- Net price = list price − discount
- Remaining quota = limit − usage

## Multiply (×)

Multiplies the values of two fields.

### Inputs

| Input | Required? | Description |
| --- | --- | --- |
| Base field | Yes | The first numeric field. |
| Multiplied by | Yes | The field to multiply by. |

### Use cases

- Line total = price × quantity
- Tax amount = taxable total × tax rate
- Weighted score = rating × weight

## Divide (÷)

Divides the value of one field by another.

### Inputs

| Input | Required? | Description |
| --- | --- | --- |
| Base field | Yes | The numerator. |
| Divided by | Yes | The denominator. |

### Use cases

- Conversion rate = orders ÷ visits
- Average order value = revenue ÷ orders
- Attach rate = add-ons ÷ base products