You certainly don't need calculus to understand exponential growth; you'd get a good sense of it from just looking at a chart. The ability to apply learned the

You certainly don't need calculus to understand exponential growth; you'd get a good sense of it from just looking at a chart. The ability to apply learned theory to real life in cross-domain ways is not common and not so easily taught by rote. Teaching calculus to everyone won't solve this.