# Mathematical constants

Free to read here, from Project Gutenberg.

5 titles; page 1 of 1.

- [The Number "e"](https://invisiblenetwork.ai/books/gutenberg/63) by Unknown
- [Miscellaneous Mathematical Constants](https://invisiblenetwork.ai/books/gutenberg/634) by Simon Plouffe
- [Catalan's Constant \[Ramanujan's Formula\]](https://invisiblenetwork.ai/books/gutenberg/682) by Greg Fee
- [The Golden Mean or Ratio\[(1+sqrt(5))/2\]](https://invisiblenetwork.ai/books/gutenberg/633) by Anonymous
- [Catalan's Constant to 1,500,000 Places](https://invisiblenetwork.ai/books/gutenberg/812) by Anonymous