For my day job I'm either "Getting things done" or Zettelkasten anyway because it's more about retrieval than memory. But for languages, SRS is great. And I'm

For my day job I'm either "Getting things done" or Zettelkasten anyway because it's more about retrieval than memory. But for languages, SRS is great. And I'm also glad I memorised a whole bunch of math formulas way back. E.g. Boolean algebra I keep using an identity that I couldn't find on identity sheets by web search.