This formula takes advantage of the fact that the MAX function works fine with small sets of data — even two values. Inside MAX, the value in B5 is subtracted from the value in C5. If the result is positive, MAX will return the result as-is, since...
The Excel ABS function returns the absolute value of a number. ABS converts negative numbers to positive numbers, and positive numbers are unaffected.
Excel Formula Training
Formulas are the key to getting things done in Excel. In this accelerated training, you'll learn how to use formulas to manipulate text, work with dates and times, lookup values with VLOOKUP and INDEX & MATCH, count and sum with criteria, dynamically rank values, and create dynamic ranges. You'll also learn how to troubleshoot, trace errors, and fix problems. Instant access. See details here.