Microsoft Excel Function : AND

What Does It Do?
This function tests two or more conditions to see if they are all true.
It can be used to test that a series of numbers meet certain conditions.
It can be used to test that a number or a date falls between an upper and lower limit.
Normally the AND() function would be used in conjunction with a function such as =IF().
Syntax
 =AND(Test1,Test2)
Note that there can be up to 30 possible tests.
Formatting
When used by itself it will show TRUE or FALSE.

Example

The following example shows a list of examination results. The teacher wants to find the pupils who scored above average in all three exams. The =AND() function has been used to test that each score is above the average. The result of TRUE is shown for pupils who have scored above average in all three exams.