Returns the value true if all formulas included in parenthesis and separated by a comma are TRUE (1). Otherwise, returns FALSE (0).

AND(Formula #1, Formula #2, Formula #3, ...)

Formula #1, Formula #2, Formula #3, ...: formula being tested to be true or false.

AND(1+1=2, 2+2=4) equals TRUE

AND(1+1=2, 2+2=5) equals FALSE