GNU social JP
  • FAQ
  • Login
GNU social JPは日本のGNU socialサーバーです。
Usage/ToS/admin/test/Pleroma FE

  • Public

    • Public
    • Network
    • Groups
    • Featured
    • Popular
    • People

two sides of a circular slide rule with markings specific for celestial navigation

Download link

https://social.v.st/system/media_attachments/files/114/336/031/347/121/431/original/88c23e6a3ef7ecb0.png

Notices where this attachment appears

  1. Embed this notice
    Trammell Hudson (th@social.v.st)'s status on Monday, 28-Apr-2025 04:02:37 JST Trammell Hudson Trammell Hudson
    in reply to

    Now with solar declination and sine/cosine tables (in addition to height of eye correction, refraction, parallax, and upper/lower limb calendars)

    In conversation about 5 days ago from social.v.st permalink
  • Help
  • About
  • FAQ
  • TOS
  • Privacy
  • Source
  • Version
  • Contact

GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.