3 commits

Author	SHA1	Message	Date
Enno Rehling	e0229be500	also implement subtraction.	2017-02-24 17:56:39 +01:00
Enno Rehling	234eb62226	short and sweet math with fractions. ... goinf to use this for magres.	2017-02-24 17:51:35 +01:00
Enno Rehling	158e0646e1	implement fractions	2017-02-24 15:48:49 +01:00