Excel Functions
Functions
Excel has many premade formulas, called functions.
Functions are typed by = and the functions name.
For example =SUM
Once you have typed the function name you need to apply it to a range.
For example =SUM(A1:A5)
The range is always inside of parentheses.
| Function | Description | 
|---|---|
| =AND | Returns TRUE or FALSE based on two or more conditions | 
| =AVERAGE | Calculates the average (arithmetic mean) | 
| =AVERAGEIF | Calculates the average of a range based on a TRUE or FALSE condition | 
| =AVERAGEIFS | Calculates the average of a range based on one or more TRUE/FALSE conditions | 
| =CONCAT | Links together the content of multiple cells | 
| =COUNT | Counts cells with numbers in a range | 
| =COUNTA | Counts all cells in a range that has values, both numbers and letters | 
| =COUNTBLANK | Counts blank cells in a range | 
| =COUNTIF | Counts cells as specified | 
| =COUNTIFS | Counts cells in a range based on one or more TRUE or FALSE condition | 
| =IF | Returns values based on a TRUE or FALSE condition | 
| =IFS | Returns values based on one or more TRUE or FALSE conditions | 
| =LEFT | Returns values from the left side of a cell | 
| =LOWER | Reformats content to lowercase | 
| =MAX | Returns the highest value in a range | 
| =MEDIAN | Returns the middle value in the data | 
| =MIN | Returns the lowest value in a range | 
| =MODE | Finds the number seen most times. The function always returns a single number | 
| =NPV | The NPV function is used to calculate the Net Present Value (NPV) | 
| =OR | Returns TRUE or FALSE based on two or more conditions | 
| =RAND | Generates a random number | 
| =RIGHT | Returns values from the right side of a cell | 
| =STDEV.P | Calculates the Standard Deviation (Std) for the entire population | 
| =STDEV.S | Calculates the Standard Deviation (Std) for a sample | 
| =SUM | Adds together numbers in a range | 
| =SUMIF | Calculates the sum of values in a range based on a TRUE or FALSE condition | 
| =SUMIFS | Calculates the sum of a range based on one or more TRUE or FALSE condition | 
| =TRIM | Removes irregular spacing, leaving one space between each value | 
| =VLOOKUP | Allows vertical searches for values in a table | 
| =XOR | Returns TRUE or FALSE based on two or more conditions | 
 
