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𜷁

block octant-23578

Block octant 23578

444/686

𜷁 fills five cells in a 24 text-graphics grid, so it contributes a shape rather than naming an object. Joined with other characters, its blocks can build a coarse screen image.

Text symbol

What 𜷁 means

It is a five-cell tile for text-mode graphics, not a word. An octant is one of eight equal cells; this pattern fills cells 2, 3, 5, 7, and 8. Beside other tiles, it forms part of a coarse image.

PC-8001 semigraphics used a 24 grid on NEC's Japanese home computer, launched in 1979. Kaypro semigraphics used the same grid; a 1983 Kaypro 10 manual describes its eight-pixel characters. Kaypro's reverse-video set maps this pattern to byte 96 hex; reverse video swaps the screen's foreground and background colors. These tiles let a character screen draw images and borders from pixel groups.

Part of the collection

Questions people ask

1

Why does 𜷁 show as a box on some devices?

It is recent: Unicode added it in version 16.0 (2024), and phones and computers whose fonts are older than that have nothing to draw it with. The character itself is still correct and copies correctly.

How to type or find 𜷁

Search it as
octant · 23578 · semigraphics · pseudographics · kaypro · pc-8001 · 2x4 · mosaic
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 1CDC1, then AltX to get 𜷁.
Windows
⊞Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win .).
macOS
⌃Control+⌘Command+␣SpaceOpen the character viewer and search “block octant-23578”.
Linux
⎈Ctrl+⇧Shift+UType 1cdc1, then Enter or Space.
HTML
𜷁
CSS
\1CDC1
Unicode hex input
To type block octant 23578, use a Unicode hex-entry editor: enter 1CDC1 and confirm. Kaypro's byte 96 hex identifies this pattern only with Kaypro's character set.
Codes and encoding1 code points
HTML decimal
𜷁
HTML hex
𜷁
CSS content
content: "\1CDC1";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9C%B7%81
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Legacy computing935 symbols