SUMIF (and the lesser known SUMIFS) is an important formula for your spreadsheet toolbox.
SUMIF let's you SUM up certain cells IF they meet certain conditions.
In this example I look at using SUMIF to convert a planting schedule into a seed order.
But SUMIF also open the door to some very interesting uses that we will be exploring in the future!
Are you using SUMIF regularly in your spreadsheets?
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