The Power Of Place Value

Probe the computational miracle of place value--where a digit's position in a number determines its value. Use this powe... (more)

Probe the computational miracle of place value--where a digit's position in a number determines its value. Use this powerful idea to create a dots-and-boxes machine capable of performing any arithmetical operation in any base system--including decimal, binary, ternary, and even fractional bases. (less)