
Notion4 min read
Your Notion rollup is not a number (and how to do math on it)
A rollup showing 1892 or 35% can still be a list. Why multiplication and dateAdd throw a type error, and the three fixes that work.
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Practical Notion ideas, workflows and inspiration collected in one place.

A rollup showing 1892 or 35% can still be a list. Why multiplication and dateAdd throw a type error, and the three fixes that work.

People, relation and multi-select properties return lists in Formulas 2.0. Why deleting Notion's .map().join() quietly breaks filters.

Want to relate one database to other? Checkout this guide for understanding the role of relation in notion. Explore how you can effectively connect…