Weather forecasting is a powerful tool. During hurricane season, for instance, meteorologists create computer simulations to forecast how these destructive storms form and where they might travel, ...

A number machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a number machine by writing out the functions that have been applied to \(j\) in the order ...

One January afternoon in 1897, Erasmus "Edward" Shue, a blacksmith, sent his neighbor’s young boy to see if Elva, Shue's wife of three months, needed anything from the market. The boy walked through ...