#arctangent

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

hashtag.org network · sponsored

Own #arctangent

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.

$23.52/ year · 10-character #name
Claim #arctangent — $23.52/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
7.8
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-09-28 10:53 UTC
0
09-22
0
09-23
0
09-24
0
09-25
0
09-26
0
09-27
0
09-28

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-09-28 10:53 UTC
#arctangentfestival
0 uses · 0 accounts / 7d
#arctangent22
0 uses · 0 accounts / 7d
#arctangent2022
0 uses · 0 accounts / 7d
#arctangent10
0 uses · 0 accounts / 7d
#arctangent2024
0 uses · 0 accounts / 7d
#arctangent_festival_2025
0 uses · 0 accounts / 7d
#arctangent_festival_2026
0 uses · 0 accounts / 7d

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-09-28 10:53 UTC

Everything below is measured over the latest 40 public posts (spanning ~9622 hours).

Posting hours (UTC) — busiest: 18:00

00:0012:0023:00

Languages: English (40)

Avg boosts / post: 1.1

Top of the latest posts

  • #TesseracT at #ArcTanGent. 📷 Pentax KX 🎞️ Kodak Portra 800 🔭 Pentax M 50mm/1.7 ⚗️ Jack's Lab #BelieveInFilm #FilmPhotography #AnalogPhotography #35mm

    Eugen Rochko@[email protected]♥ 95↻ 162025-09-03 16:12 UTCView post →

  • @Ameboid at #ArcTanGent. 📷 Pentax KX 🎞️ Kodak Portra 400 🔭 Pentax M 50mm/1.7 ⚗️ Jack's Lab #BelieveInFilm #FilmPhotography #AnalogPhotography #35mm

    Eugen Rochko@[email protected]♥ 79↻ 102025-09-05 02:26 UTCView post →

  • #KayoDot at #ArcTanGent. 📷 Pentax KX 🎞️ Kodak Portra 800 🔭 Pentax M 50mm/1.7 ⚗️ Jack's Lab #BelieveInFilm #FilmPhotography #AnalogPhotography #35mm

    Eugen Rochko@[email protected]♥ 36↻ 52025-09-05 19:01 UTCView post →

What “arctangent” means

Wiktionary · Wikipedia

arctangent

  • nounAny of several single-valued or multivalued functions that are inverses of the tangent function. Symbol: arctan, tan-1
Full entry on Wiktionary →

In mathematics, the inverse trigonometric functions are the inverse functions of the trigonometric functions, under suitably restricted domains. Specifically, they are the inverses of the sine, cosine, tangent, cotangent, secant, and cosecant functions, and are used to obtain an angle from any of the angle's trigonometric ratios. Inverse trigonometric functions are widely used in engineering, navigation, physics, and geometry.

“Inverse trigonometric functions” on Wikipedia (CC BY-SA) →

#arctangent across platforms

every network with a public tag surface

Follow #arctangent 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/arctangent