Getting started with formulas
Formula field reference
Formulas vs other computed fields
Formula field overview
Common solutions: beginner
Converting numbers and text in a formula field
Convert a serial date from Excel to a readable date
Extract the file name from attachments
Convert unix / epoch time to current date
Using a formula in the primary field
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Common solutions: intermediate
Find the sum of an entire field
Word and character counts
How can I count the number of linked records in a linked record field (column)?
Can I use a formula to count the number of selected options in a multi-select field?
Common solutions: advanced
How to conditionally display missing field values
Add a line break using \n
Build a custom form URL filler using ENCODE_URL_COMPONENT
Displaying quarters in a fiscal year
Can I create a SQL query in Airtable?