Final Grade Calculator
Determine what score you need on your final exam 💯
竞品与替代品
App Costs Calculator
Learn what it costs to create your app
Paycheck Calculator
Easily determine your after-tax income
Show HN: PaperMono, e-ink fridge magnet shopping list with mobile web page
Fridge magnet shopping list on an M5Stack PaperMono (ESP32-S3, e-ink touchscreen), synced with a phone web app over Wi-…
Water Intake Calculator
Find out how much water you need to drink
Startup Fundraising Calculator
The calculator you need if you’re raising money.