## Applies to

# Bridge utilities: Math

With Bridge math modules, you can manipulate simple values to change them as required within the flow of a conversation.

Bridge contains the following math modules:

### Add

Add one referenced value to another. The **Add **module requires you to fill the following fields:

**Add**: The amount to be added**Number**: Reference to the number to be added to

### Subtract

Remove one referenced value from another. The **Subtract **module requires you to fill the following fields:

**Remove**: The amount to be subtracted**Number**: Reference to the number to be subtracted from

### Multiply

Multiply one referenced value by another. The **Multiply **module requires you to fill the following fields:

- Multiple: The amount to multiply by
- Number: Reference to the number to be multiplied

### Divide

Divide one referenced value by another. The **Divide **module requires you to fill the following fields:

**Divider**: The amount to divide by**Number**: Reference to the number to be dividedDividing by 0 returns 0.

### Round

Round a referenced value by a required number of decimal places. The **Round **module requires you to fill the following fields:

**Round**: Number of decimal places to round to**Number**: Reference to the number to be rounded

### Random Number

Pick a random number from a range or pool of numbers. The **Random Number **module requires you to fill the following fields:

**Range**: Number of decimal places to round to**Minimum**: The minimum value in the number range**Maximum**: The maximum value in the number rage

**Pool**: References to the pool of numbers from which the random number generates from

### Sum Array

Sum an array of numbers together. The **Sum **module requires you to fill the following fields:

**Array**: A reference to an array**Path To Number**: Name of the field to sum up

The image below shows an array with the object field **Points **to the left. Referencing the whole array and specifying Points in the **Path To Number** field results in the output to the right.