btay.app

Tools and apps, built one at a time.

On this site

CalculatorsPersonal finance calculators and retirement planners: mortgages, retirement, taxes, investing, debt and more/calculators

Apps

EVToolBetting math: odds conversion, parlays, vig, expected value and Kelly sizingevtool-two.vercel.app
Shop ValueWhat an owner-operated machine shop might sell for, from published market datashop.awooga.io