sjkaliski/numbers.js — pull request #71 by KartikTalwar (2012-12-23 22:14:08+00:00)
Title: Cofactor calculator for square matrices Rel: #59

**Added**

- `isSquare()` to `Matrix`
- `cofactor()` to `SquareMatrix` (#59)
- Tests

This pull request seems a bit messy.. I'm not sure if it'll merge. Lets see.