Unicode: Misc Technical Symbols ⌬ ⎄ ⎅ ⧯

Computing

• ⌗
• ⎔
• ƒ → sometimes used to indicate folder, or function
• ⍾ → bell. An ASCII control character

Math

• ⊺

Statistics

⧮ ⧰ ⧲ ⧯ ⧱ ⧳

Electricity

⎓ ⏚ ⏛ ⏦ ⏧ ⎏ ⎐

⌁

Copy Editing

⁀ ⎁ ⎂ ⎃ ␥ ␦ ⯒

unknown or replacement related
�  ⯑

Chemistry

⌬ ⏣

Physics

⧧

• Unicode: Tacks, Turnstiles ⊣ ⊢ ⊥ ⊤ ⫪ ⫫

Dentistry

⎾ ⏋ ⎿ ⏌ ⏀ ⏁ ⏂ ⏃ ⏄ ⏅ ⏆ ⏇ ⏈ ⏉ ⏊

map and earth

🗺 🌍 🌎 🌏 🌐

Machining

⌵ ⌴ ⌰ ⌲

Misc, Unsorted

• ⎖

• ⎄
• ⎅

• ⌕
• ⏺

• ⌇
• ⌭
• ⌮
• ⌱

⌜ ⌝
⌞ ⌟

⛞ ⛶ ⛣

⋈ ⧑ ⧒ ⧓ , ⧖ ⧗

⟤ ⟥ , ⟢ ⟣

⧪ ⧬ ⧭