Type: Posts; User: Elisha Grey
I'm with you, Oranges!
Speaking of tricks there is one that I find helpful in checking my arithmetic. It's caslled "casting out 9's" and it seems to be becoming lost. What it is is that in any arithmetic operation you...
Speaking as a retired math teacher my advice would be as follows. I think it is a great mistake to try to understand math at an inappropriate level. Mathematics is different from most subject in...