Below is the complete list of Windows ALT codes for miscellaneous technical symbols, their corresponding HTML entity numeric character references and, when available, their corresponding HTML entity named character references. If you are new to ALT codes and need detailed instructions on how to use them, please read How to Use ALT Codes to Enter Special Characters. If you want, instead of using ALT codes, you can also just quickly tap or click any miscellaneous technical symbol in the list below to copy and paste it into your document. (Note: Some symbols might not display correctly due to device or platform limitations in character/text representation.)
| Symbol | ALT Code | ALT X Code | Symbol Name | HTML Entity DEC | HTML Entity HEX | HTML Entity Named | Unicode Code Point |
|---|---|---|---|---|---|---|---|
| ⌀ | ALT 8960 | 2300 ALT X | Diameter sign | ⌀ | ⌀ | U+2300 | |
| ⌁ | ALT 8961 | 2301 ALT X | Electric arrow | ⌁ | ⌁ | U+2301 | |
| ⌂ | ALT 8962 | 2302 ALT X | House | ⌂ | ⌂ | U+2302 | |
| ⌃ | ALT 8963 | 2303 ALT X | Up arrowhead | ⌃ | ⌃ | U+2303 | |
| ⌄ | ALT 8964 | 2304 ALT X | Down arrowhead | ⌄ | ⌄ | U+2304 | |
| ⌅ | ALT 8965 | 2305 ALT X | Projective | ⌅ | ⌅ | ⌅ | U+2305 |
| ⌆ | ALT 8966 | 2306 ALT X | Perspective | ⌆ | ⌆ | ⌆ | U+2306 |
| ⌇ | ALT 8967 | 2307 ALT X | Wavy line | ⌇ | ⌇ | U+2307 | |
| ⌐ | ALT 169 or ALT 8976 | 2310 ALT X | Reversed not sign, beginning of line | ⌐ | ⌐ | ⌐ | U+2310 |
| ⌑ | ALT 8977 | 2311 ALT X | Square lozenge, kissen (pillow) | ⌑ | ⌑ | U+2311 | |
| ⌒ | ALT 8978 | 2312 ALT X | Arc, position of any line | ⌒ | ⌒ | ⌒ | U+2312 |
| ⌓ | ALT 8979 | 2313 ALT X | Segment, position of a surface | ⌓ | ⌓ | ⌓ | U+2313 |
| ⌔ | ALT 8980 | 2314 ALT X | Sector | ⌔ | ⌔ | U+2314 | |
| ⌕ | ALT 8981 | 2315 ALT X | Telephone recorder | ⌕ | ⌕ | ⌕ | U+2315 |
| ⌖ | ALT 8982 | 2316 ALT X | Position indicator, true position | ⌖ | ⌖ | ⌖ | U+2316 |
| ⌗ | ALT 8983 | 2317 ALT X | Viewdata square | ⌗ | ⌗ | U+2317 | |
| ⌘ | ALT 8984 | 2318 ALT X | Place of interest sign, command key, operating system key | ⌘ | ⌘ | U+2318 | |
| ⌙ | ALT 8985 | 2319 ALT X | Turned not sign, line marker | ⌙ | ⌙ | U+2319 | |
| ⌬ | ALT 9004 | 232C ALT X | Benzene ring | ⌬ | ⌬ | U+232C | |
| ⏍ | ALT 9165 | 23CD ALT X | Square foot | ⏍ | ⏍ | U+23CD | |
| ⏐ | ALT 9168 | 23D0 ALT X | Vertical line extension | ⏐ | ⏐ | U+23D0 | |
| ⏢ | ALT 9186 | 23E2 ALT X | White trapezium | ⏢ | ⏢ | ⏢ | U+23E2 |
| ⏣ | ALT 9187 | 23E3 ALT X | Benzene ring with circle | ⏣ | ⏣ | U+23E3 | |
| ⏤ | ALT 9188 | 23E4 ALT X | Straightness | ⏤ | ⏤ | U+23E4 | |
| ⏥ | ALT 9189 | 23E5 ALT X | Flatness | ⏥ | ⏥ | U+23E5 | |
| ⏦ | ALT 9190 | 23E6 ALT X | AC current | ⏦ | ⏦ | U+23E6 | |
| ⏧ | ALT 9191 | 23E7 ALT X | Electrical intersection | ⏧ | ⏧ | ⏧ | U+23E7 |
| ⏨ | ALT 9192 | 23E8 ALT X | Decimal exponent symbol | ⏨ | ⏨ | U+23E8 | |
| ⏿ | ALT 9215 | 23FF ALT X | Observer eye symbol | ⏿ | ⏿ | U+23FF |
For more ALT codes for various signs and symbols, see ALT Codes for Miscellaneous Symbols. For the the complete list of the first 256 Windows ALT Codes, visit Windows ALT Codes for Special Characters & Symbols.
