User contributions
- 19:08, 8 February 2016 (diff | hist) . . (-1,145) . . Heron's Formula (→Proof 2)
- 19:08, 8 February 2016 (diff | hist) . . (+119) . . Heron's Formula (→Proof 2)
- 19:06, 8 February 2016 (diff | hist) . . (+9) . . Heron's Formula (→Proof 2)
- 19:04, 8 February 2016 (diff | hist) . . (+777) . . Heron's Formula (→Proof)
- 18:43, 8 February 2016 (diff | hist) . . (+240) . . Heron's Formula (→Proof)
