David Grimmer

Rated 5.00(3) — 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 refunded for a policy cancelled before its expiration date.Insurance Wheel replaces the old circular slide.

Rated 2.00(3) — David Grimmer

RoadBump is a tool for road maintenance and engineering professionals to get estimated International Roughness Index (IRI) information that previously was available only through very high cost laser/inertial profilers. RoadBump provides objective data...

Rated 4.63(8) — David Grimmer

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 a finance wizard to get answers about your payment, rate, loan length or loan amount. Provide 3 of...

Rated 4.25(4) — David Grimmer

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 of the loan and the 4th part will be calculated. Loan Calculator is perfect for home mortgage and auto..

Rated 4.00(1) — David Grimmer

RoadBump is a tool for road maintenance and engineering professionals to get estimated International Roughness Index (IRI) information that previously was available only through very high cost laser/inertial profilers. RoadBump provides objective data...