3 commits

Author	SHA1	Message	Date
Javier	8c7c8079ba	replace * for x	2016-08-01 19:02:33 -03:00
Javier	65766c6fe5	complete evaluation of expressions	2016-08-01 19:02:33 -03:00
Javier	ff6348a233	calculator	2016-08-01 19:02:33 -03:00