I have had not much time to study till now honestly… and expect to have quite little time till the 12th Jan or so. I am gonna rely a lot on a sprint from the 13th to the 20th. In any case, some interesting new things I am finding.

Mixtures and weighted averages: These prove to be lengthy to calculate always and complex to even formulate. Have found this formula that will definitely become handy: http://www.veritasprep.com/blog/2011/03/quarter-wit-quarter-wisdom-heavily-weighted-weighted-averages/