David Grimmer

Before there were computers, insurance companies used a round slide rule device called an "Insurance Wheel" to calculate how much premium was to be re …

The simple loan calculator for the 4 components of a loan - payment, interest rate, length (period) and principal amount. Provide any 3 of the 4 parts …

Most financial calculators are hard to figure out. FinCalc3 is easy. It is a simple financial calculator for loans and mortgages. You don’t need to be …