Math-based functions make calculations in spreadsheets quick and easy.

- Want to add individual sales together to get the total?
- Need to quickly identify the most expensive item in a list?
- Have to find the average score on a test?

No need to worry about mathematical operators, just use a function.

Here are the most common math functions:

A | B | |

1 | Function | Return |

2 | SUM | All of the provided numbers added up to a total. |

3 | COUNT | How many numbers are present (not text, just numbers). |

4 | AVERAGE | The average, that is, the total divided by the count. |

5 | MIN | The minimum value present. |

6 | MAX | The maximum value present. |

## Syntax

All of these functions do some basic math and have the same syntax:

The 'values' can be numbers, cell references, cell ranges, text (which will be ignored), or a combination of all of these. You're feeding the function data that it can use to make a calculation.

The square brackets around [value2, ...] mean it's optional. The only required argument is the first one.

The ellipsis ... at the end means that these functions can take as many arguments as needed.

## Example

Here’s a list of grocery items with their prices:

A | B | |

1 | Item | Price |

2 | Apples | $4.42 |

3 | Bananas | $3.34 |

4 | Carrots | $2.90 |

5 | Mushrooms | $5.29 |

6 | Onions | $1.38 |

7 | Chicken | $10.62 |

8 | Milk | $2.71 |

9 | Eggs | $3.64 |

10 | Cheese | $5.69 |

11 | Butter | $4.41 |

Here’s how to use each function on this list to get specific information and what it would return:

A | B | C | |

1 | What you want | Function | Return |

2 | Total cost | =SUM(B2:B11) | $44.40 |

3 | Number of items | =COUNT(B2:B11) | 10 |

4 | Average price | =AVERAGE(B2:B11) | $4.44 |

5 | Lowest price | =MIN(B2:B11) | $1.38 |

6 | Highest price | =MAX(B2:B11) | $10.62 |

A | B | C | |

1 | First | Last | Sales |

2 | Dwight | Schrute | 10,000 |

3 | Jim | Halpert | 8,000 |

4 | Stanley | Hudson | 7,000 |

5 | Phyllis | Vance | 6,000 |

6 | Andy | Bernard | 4,000 |

7 | |||

8 | SUM | ||

9 | COUNT | ||

10 | AVERAGE | ||

11 | MIN | ||

12 | MAX | ||

13 |

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