Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...

Have you ever found yourself endlessly dragging that little Excel fill handle, trying to populate rows or columns with numbers, dates, or formulas? It’s tedious, time-consuming, and let’s be ...

I use these functions to summarize data with formulas instead of dialog boxes. That makes it easier to see exactly what's ...

Transactions of the American Mathematical Society, Vol. 359, No. 3 (Mar., 2007), pp. 1161-1189 (29 pages) We consider sums of the form $\sum_{j=0}^{n-1}F_{1}(a_{1}n+b ...

In the first semester of this module, we will cover the topics in discrete mathematics that provide an essential foundation for later studies in the department. This includes topics such as sets, ...