In the 'symbolic' stage of mathematical notation history, comprehensive notational systems for formulas became the norm.
Notes on verification
Verbatim match with Wikipedia's Timeline of mathematics and an independent mirror; broader three-stage classification corroborated by peer-reviewed academic literature (Stallings, 2000).
Sources
- Timeline of mathematics (en.wikipedia.org)
- https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1949-8594.2000.tb17262.x (onlinelibrary.wiley.com)
- https://handwiki.org/wiki/Timeline_of_mathematics (handwiki.org)