User contributions
- 22:59, 29 August 2016 (diff | hist) . . (+37) . . Proofs (→Pythagorean Theorem)
- 22:57, 29 August 2016 (diff | hist) . . (+267) . . Proofs (→Pythagorean Theorem)
- 22:53, 29 August 2016 (diff | hist) . . (+26) . . Proofs (→Quadratic Formula)
- 23:38, 23 August 2016 (diff | hist) . . (0) . . Proofs without words (→Summations)
- 23:35, 23 August 2016 (diff | hist) . . (+3) . . Proofs without words (→Summations)
