#combinatorics

Live, measured metrics for the hashtag #combinatorics from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

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5
Uses / 7 days
Mastodon
5
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 02:25 UTC
0
07-21
1
07-22
1
07-23
0
07-24
1
07-25
2
07-26
0
07-27

5 uses by 5 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 02:25 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 02:25 UTC

Everything below is measured over the latest 40 public posts (spanning ~2803 hours).

Posting hours (UTC) — busiest: 05:00

00:0012:0023:00

Languages: English (40)

Avg boosts / post: 0.2

Top of the latest posts

  • Alright, future engineers! **Combination:** Selecting items from a set where the *order of selection does not matter*. Ex: Choosing 3 friends from 5 for a project. C(5,3) = 10 ways. Pro-Tip: If reordering gives the same outcome, it's a comb

    kipriyanovich@[email protected]002026-07-26 10:43 UTCView post →
  • Posting this a bit late, but I was very glad (and relieved) to hear that one of my former PhD students, Stijn Cambie, was granted one of this year's FWO Senior Postdoctoral Fellowships, to independently carry out his research programme for

    Ross Kang@[email protected]002026-07-26 07:40 UTCView post →
  • Alright, future engineers! **Permutation:** An arrangement of items where the *order of selection matters*. Ex: Arranging 3 distinct books on a shelf from a set of 5. P(5,3) = 5!/(5-3)! = 60. Pro-Tip: If reordering changes the outcome, it's

    kipriyanovich@[email protected]002026-07-25 08:05 UTCView post →

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/combinatorics