One simple formula can help you estimate investment growth, understand compounding and measure the impact of inflation.

Note: Some of the code here is old and was written when I was learning C++. It might be possible that code is not safe or making wrong assumptions. Please use with caution. Pull requests are always ...

Recently, I was asked by a parent how old children should be to learn how to multiply numbers. He was shocked when I said that children in kindergarten may be experts in multiplication. It’s not ...