Logical Functions

AND function AND Returns TRUE if all arguments are TRUE. If one of the elements is FALSE, this function returns the FALSE value. The arguments are either logical expressions themselves (TRUE, 1<5, 2+3=7, B8<10) that return logical values, or arrays (A1:C3) containing logical values. When a function expects a single value, but you entered a cell range, then the value from the cell range is taken that is in the same column or row as the formula.UFI: fixed #i18547# If the entered range is outside of the current column or row of the formula, the function returns the error value #VALUE! Syntax AND(LogicalValue1; LogicalValue2 ...LogicalValue30) LogicalValue1; LogicalValue2 ...LogicalValue30 are conditions to be checked. All conditions can be either TRUE or FALSE. If a range is entered as a parameter, the function uses the value from the range that is in the current column or row. The result is TRUE if the logical value in all cells within the cell range is TRUE. Example The logical values of entries 12<13; 14>12, and 7<6 are to be checked: =AND(12<13;14>12;7<6) returns FALSE. =AND (FALSE;TRUE) returns FALSE.

TRUE function TRUE The logical value is set to TRUE. The TRUE() function does not require any arguments, and always returns the logical value TRUE. Syntax TRUE() Example If A=TRUE and B=FALSE the following examples appear: =AND(A;B) returns FALSE =OR(A;B) returns TRUE =NOT(AND(A;B)) returns TRUE

FALSE function FALSE Returns the logical value FALSE. The FALSE() function does not require any arguments, and always returns the logical value FALSE. Syntax FALSE() Example =FALSE() returns FALSE =NOT(FALSE()) returns TRUE

IF function IF Specifies a logical test to be performed. Syntax IF(Test; ThenValue; OtherwiseValue) Test is any value or expression that can be TRUE or FALSE. ThenValue (optional) is the value that is returned if the logical test is TRUE. OtherwiseValue (optional) is the value that is returned if the logical test is FALSE. Examples =IF(A1>5;100;"too small") If the value in A1 is higher than 5, the value 100 is entered in the current cell; otherwise, the text “too small” (without quotes) is entered.

NOT function NOT Complements (inverts) a logical value. Syntax NOT(LogicalValue) LogicalValue is any value to be complemented. Example =NOT(A). If A=TRUE then NOT(A) will evaluate FALSE.

OR function OR Returns TRUE if at least one argument is TRUE. This function returns the value FALSE, if all the arguments have the logical value FALSE. The arguments are either logical expressions themselves (TRUE, 1<5, 2+3=7, B8<10) that return logical values, or arrays (A1:C3) containing logical values. When a function expects a single value, but you entered a cell range, then the value from the cell range is taken that is in the same column or row as the formula. If the entered range is outside of the current column or row of the formula, the function returns the error value #VALUE! Syntax OR(LogicalValue1; LogicalValue2 ...LogicalValue30) LogicalValue1; LogicalValue2 ...LogicalValue30 are conditions to be checked. All conditions can be either TRUE or FALSE. If a range is entered as a parameter, the function uses the value from the range that is in the current column or row.UFI: first try to fix bugtraq 4905779 Examples: The logical values of entries 12<11; 13>22, and 45=45 are to be checked. =OR(12<11;13>22;45=45) returns TRUE. =OR(FALSE;TRUE) returns TRUE.

XOR function kschenk added this entry XOR Returns the exclusive "or" of arguments. The arguments are either numbers, logical expressions themselves (TRUE, 1<5, 2+3=7, B8<10) that return logical values, or arrays (A1:C3). If the entered range is outside of the current column or row of the formula, the function returns the error value #VALUE! Syntax XOR(Value1; Value2 ...Value30) Value1; Value2 ... Value30 are added modulo 2. TRUE is returned if the result of this addition is 1; FALSE is returned if the result of this addition is 0.UFI: first try to fix bugtraq 4905779 Examples: =XOR(12<11;13>22;10) returns TRUE since this converts to (1+0+10) mod 2 = 0 =XOR(FALSE;TRUE) returns TRUE.