#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.
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 07:22 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 07:22 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 07:22 UTCEverything below is measured over the latest 12 public posts (spanning ~64694 hours).
Posting hours (UTC) — busiest: 07:00
Languages: English (11) · zhTw (1)
Avg boosts / post: 1.2
Top of the latest posts
HP1973 project brings the HP-45 back to life, not only with full emulation, but showing the ROM workings under the hood. Beautiful. #hpcalc https://hackaday.com/2023/07/24/hp1973-project-highlights-workings-of-hp-45-calculator/
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
@moira YESSS! They were my favorites also, especially the 9810 (the one in the middle), which I had previously encountered some 40 years ago, doing some surveying stuff during my military service, in a land far far away. It was obsolete eve
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