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NumPad is an offline-first notepad calculator for the web.
It does calculations with units, dates, variables and more. It even has markdown support!
Pro users can make as many documents as they like and sync them between devices.

NumPadA powerful text editor and calculator for the web
Tony Onodileft a comment
HI everyone! I launched the first version of NumPad on Product Hunt 3 years ago, and posted a to do list in the comments. Well now I'm back with NumPad v2, and I've managed to tick off all but one* of the items on that list plus some more! That means this new version supports: - multiple documents - doc syncing - support for offline editing - markdown formatting - totals and averages - PDF and...

NumPadA powerful text editor and calculator for the web
Tony Onodileft a comment
Hi everyone! To my shame, I've been sitting on this app in one form or another since ~2018, so the time has finally come. I first came up with the idea for Meridian while sitting on a long haul flight, trying to keep track of how far through the flight I was using departure and arrival times in time zones that were 5.5 hours apart! To solve this problem, Meridian shows a timeline with time...

Meridian A time-travelling time zone clock and flight trakcer
Meridian is a time zone clock that allows you to view multiple time zones side by side, and scroll through time to find the best slot for a meeting. It also turns complex flight schedules into clear visual timelines.

Meridian A time-travelling time zone clock and flight trakcer
NumPad is a fast, lightweight web app with support for units, dates and more. It lets you keep notes and calculations in one document, gives you answers as you type, and it understands calculations like "£200 + 20%" or "2500kcal / 1 day in watts".

NumPadA powerful text editor and calculator for the web
Tony Onodileft a comment
Hi everyone! I've been (very) intermittently working on NumPad for 3 years now, so I'm very pleased to be launching it today. NumPad is my take on a Soulver-like calculator. It's web based, has support for multi-cursor editing and has great support for calculations that involve physical units, percentages, dates, times and currencies. I've got a long to-do list which includes: * Autocomplete *...

NumPadA powerful text editor and calculator for the web

SayableIt allows you to send a link with an easy to remember phrase

