From Wikipedia: In common usage, "chaos" means "a state of disorder".[11] However, in chaos theory, the term is defined more precisely. Although no universally accepted mathematical definition of chaos exists, a commonly used definition originally formulated by Robert L. Devaney says that, to classify a dynamical system as chaotic, it must have these properties:[12] it … Continue reading Chaos Theory
math
Abacus versus Computer
Advantages of the Abacus over the Computer The abacus isn't obsolete three days after you buy it. People can't steal information from your hard drive. You can't fritter away your afternoon playing solitaire or minesweeper. Facebook isn't so much a hit. It's much safer for your kids to play on. You can take (in … Continue reading Abacus versus Computer
Teaching Math
This is what it's like teaching math sometimes...
Praying With My Feet 