28 Jul
2019
28 Jul
'19
10:50 p.m.
Hilarie and I have written a paper about mental factoring. http://www.purplestreak.com/g4g13/mentalfactoring.pdf Comments are welcome. If they are not of interest to the group, (typos, grammos, mathos, pedagos, ...) please direct them to me or Hilarie. Rich