calculator
Posts tagged "calculator"
3 posts
Wing foil sizing from first principles
A wing-foil gear calculator that shows its working. Three regimes (float, wing-in-air, foil-in-water) joined into one coherent physical model, with the equations exposed and arguable rather than hidden behind rules of thumb.
A Nobel-winning model says most UK SaaS startups aren't viable. Here's a calculator that shows why.
An interactive calculator built on the Aghion-Howitt model (2025 Nobel Prize in Economics). Punch in a realistic UK SaaS configuration and it tells you the business loses money on every customer. This is the model behind that verdict, and what it takes to flip it.
Understanding Ship Deceleration: Interactive Calculator and Mathematical Methods
How long does it take a ship to stop? I built an interactive calculator and worked through the hydrodynamics from first principles. Without friction brakes, we can see that hull form and propulsion type dominate stopping performance.