It's good to have a feel for the rate of increase when reading news articles or having a vague idea what an interest rate really means, just like knowing scient

It's good to have a feel for the rate of increase when reading news articles or having a vague idea what an interest rate really means, just like knowing scientific notation helps you get a quick feel for the difference between a government program costing 550 million and one costing 5.3 billion, compared to a country's GDP of 1.2 trillion. By the way, betterexplained.com is where I finally, after memorizing my way through just enough calculus to get a BS in comp sci, began to understand calculus. Seeing how the area of a circle was derived was wild - I'd easily memorized all that stuff, but never understood. We wait way too long to begin teaching calculus concepts.