A story about how I realized this is how applied math skills are acquired

It started with the recurrence relation function on the Casio FX-GC100 graphing calculatorSince a recurrence relation is ...
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Math That Connects Where We’re Going to Where We’ve Been

Say you’re at a party with nine other people and everyone shakes everyone else’s hand exactly once. How many handshakes take place? This is the “handshake problem,” and it’s one of my favorites. As a ...