[Calc] Extracting Data from Spreadsheet

It’s been ages since I’ve done spreadsheet work so I’m not sure what to ask or search for. I have a large spreadsheet with a list of donations received by a charitable organization over the course of three years. Dates are entered in XX/XX/XX format. I’m looking for a way to automate the extraction of the following data:

By year → By type → Sum of each type.

By year → By month → By type → Sum of each type.

For example:

2009: January
Cash: $5,000.00
Checks: $15,000.00
In Kind: $32,000.00
PayPal: $2,500.00

Is there a way this can be extracted through LibreOffice functionality, or will I have to calculate it all manually? If it can be done automatically, could you please let me know which function I’d use to do so? Thank you!

I think your friend in LibreOffice calc could be a Pivot Table, (Menu/Insert/Pivot Table or Menu/Data/Pivot Table/Create)

Please take a look at calc documentation Calc Guide chapter 8.

As soon as I saw you say “Pivot Table” it all came back to me in a flash. That’s exactly what I’m after. Thank you!

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