IntroductionYou connect pieces of paper folded into the same shape one by one. What started as flat components begin to hold the adjacent pieces, and when the final gap is closed, it becomes a small ...

Many of us could happily fold a paper crane, yet few feel confident solving an equation like x³ – 3 x² – x + 3 = 0, to find a value for x. Both activities, however, share similar skills: precision, ...