ABS converts negative numbers to positive numbers.
Positive numbers and zero (0) are unaffected.
The ABS function takes just oneargument,number, which must be a numeric value.
Ifnumberis not numeric, ABS returns a #VALUE!
However, when A1 is greater than B1, the result will be negative.
Square root of negative number
TheSQRT functioncalculates the square root of a number.
If you give SQRT a negative number, it will return a #NUM!
