#hpcalc
Live, measured metrics for the hashtag #hpcalc from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #hpcalc
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-15 16:23 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-15 16:23 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-15 16:23 UTCEverything below is measured over the latest 15 public posts (spanning ~67783 hours).
Posting hours (UTC) — busiest: 07:00
Languages: English (14) · zhTw (1)
Avg boosts / post: 1.3
Top of the latest posts
Wow, look what came my way! 🤩 A fully functional HP-25C, production date week 5 1977 (1960+17) in S(ingapore). A couple of alkalines easily replaced the built in (dead) rechargeables, which luckily hadn’t leaked. Need to find a manual for
Moravia (the current owner of the HP calculator IP) has announced they'll be making a Collector's Edition of the 16C RPN programmer's calculator next year: https://youtu.be/vwgQu2s7rxY?t=1185 HP made dozens of scientific and business calcul
I did some Nonpareil (HP calculator microcode simulator) work, and HP calculator ROM reverse engineering, over the weekend, but it doesn't seem like I got anything significantly accomplished. As usual. Maybe next weekend. #nonpareil #hpcalc
#hpcalc across platforms
every network with a public tag surfaceFollow #hpcalc straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/hpcalc