 ## Function: SUMPRODUCT

The SUMPRODUCT Excel formula is a Math & Trig function that multiplies the values in arrays, and returns the sum of products. Although this sounds like something you could do using a combination of the SUM and the PRODUCT formulas, there is more to it! Thanks to... ## How to sum values with OR operator using SUMPRODUCT with multiple criteria

The SUMIFS function can sum values based on multiple conditions. However, these conditions are all linked with AND operator. As a result, all conditions should be fulfilled to return a value. This article shows How you can sum values with multiple OR operators using... ## How to SUM 2d ranges with SUMPRODUCT

Summing values by a condition may sound easy. If not, please see Crunch Data Even Faster with the SUMIFS Function article as well. You can easily sum values by condition(s) with SUMIF and SUMIFS functions; with a limitation. The sum range and criteria ranges should... ## How to calculate weighted average with SUMPRODUCT

A final exam is worth more in terms of graduation score and the term weighed average becomes relevant. In such cases, SUMPRODUCT formula can help calculate the weighed totals of a data set. In our example, test scores of 3 candidates are being compared. Although... ## Using SUMPRODUCT to Do Your Taxes

It’s that time of the year! Of course there are all kinds of tools out there you can use to calculate and submit your taxes for the last year, but it’s always a good idea to double check everything and if you prefer to do everything by hand, you might find this guide... ## Function: VARPA

The VARPA function is a statistical function that can calculate and return the variance of a population by evaluating text and logical values. Variance provides a general idea of how much data points are spread in a data set, and can be used to calculate the standard... ## Function: VARA

The VARA function is a statistical function that can calculate and return the variance of a sample by evaluating text and logical values. Variance provides a general idea of how much data points are spread in a data set, and can be used to calculate the standard... ## Function: VARP

The VARP function is a statistical function calculates and returns the variance of a population. Variance provides a general idea of how much data points are spread in a data set, and can be used to calculate the standard deviation or determine the risk of an... ## Function: VAR.P

The VAR.P function is a statistical function that can calculate and return the variance of a population. This formula was essentially introduced as a replacement for the outdated VARP function. Variance provides a general idea of how much data points are spread in a...