I keep losing track of these… so I am going to document them once and for all here!
Apple & Technical
| Symbol | Unicode | Description |
|---|
| ⌘ | U+2318 | Command key / Celtic knot |
| ⌥ | U+2325 | Option key |
| ⌫ | U+232B | Delete / Backspace |
| ␡ | U+2421 | Alternative DEL |
| ⌦ | U+2326 | Forward delete |
| ⌃ | U+2303 | Control / Up arrowhead / Caret (Not equivalent to ^) |
| ⎋ | U+238B | ESC / Escape |
| ␛ | U+241B | Alternative ESC |
| ⏎ | U+23CE | Return / Enter |
| ↩ | U+21A9 | Alternative return / enter |
| ↑ | U+2191 | Up arrow |
| ↓ | U+2193 | Down arrow |
| ← | U+2190 | Left arrow |
| → | U+2192 | Right arrow |
| ⇥ | U+21E5 | Tab |
| ⇧ | U+21E7 | Shift |
| ⇪ | U+21EA | Caps lock |
| ⏏ | U+23CF | Eject |
| ⌽ | U+233D | Power key |
| ␣ | U+2423 | Open box (Represents whitespace / spacebar) |
| ␀ | U+2400 | Null |
| ␖ | U+2416 | SYN |
| ␆ | U+2406 | ACK |
Mathematical / Logical
| Symbol | Unicode | Description |
|---|
| × | U+00D7 | Multiplication |
| ÷ | U+00F7 | Division |
| ∕ | U+2215 | Division slash |
| ∑ | U+2211 | Summation |
| λ | U+03BB | Lambda |
| ∩ | U+2229 | Intersection |
| ∪ | U+222A | Union |
| ∫ | U+222B | Integral |
| ∴ | U+2234 | Therefore |
| ≠ | U+2260 | Not equal to |
| ≈ | U+224B | Approximately equal to |
| ≉ | U+2249 | Not approximately equal to |
| ≤ | U+2264 | Less than or equal to |
| ≥ | U+2265 | Less than or equal to |
| ⊂ | U+2282 | Subset |
| ⊃ | U+2283 | Superset |
| ⊨ | U+22A8 | True |
| ⊭ | U+22AD | False |
| ⩵ | U+2A75 | Double-equals, or identical to |
| ⩶ | U+2A76 | Triple-equals, or match to |
Musical
| Symbol | Unicode | Description |
|---|
| ♭ | U+266D | Flat sign |
| ♯ | U+266F | Sharp sign |
| ♮ | U+266E | Natural sign |
| ♩ | U+2669 | Quarter note |
| ♪ | U+266A | Eighth note |
| ♫ | U+266B | Double eight notes |
| ♬ | U+266C | Double sixteenth notes |
Other useful
| Symbol | Unicode | Description |
|---|
| ‽ | U+203D | Interrobang |
| ‼ | U+203C | Double exclamation |
| ⁇ | U+2047 | Double question |
| ⁈ | U+2048 | Question & Exclamation |
| ⁉ | U+2049 | Exclamation & Question |
| ¶ | U+00B6 | Pilcrow / paragraph symbol |
| † | U+2020 | Dagger |
| ‡ | U+2021 | Double dagger |
| 〃 | U+3003 | Ditto |
| 〆 | U+3006 | Ideographic closing mark |
| ‵ | U+2035 | Prime |
| ‶ | U+2036 | Double prime |
| ¤ | U+004A | Universal currency sign |
Fun
| Symbol | Unicode | Description |
|---|
| ⍨ | U+2368 | I feel sick! |
| ⍩ | U+2369 | Blah blah blah |
| ⍣ | U+2363 | Star w/ eyes |
| ⍤ | U+2364 | Little gasp |
| ⍥ | U+2365 | Big gasp |
| ☕ | U+2615 | Coffee / Tea |
| ❄ | U+2744 | Snowflake |
| ♻ | U+267B | Recycling |
| ⚡ | U+26A1 | Power |
| ⚠ | U+26A0 | Caution / Warning |
| ☢ | U+2622 | Radioactivity / Nuclear |
| ☠ | U+2620 | Skull & Crossbones |
| ✈ | U+2708 | Airplane |
| ✇ | U+2707 | Recording / Tape drive |
| ☎ | U+260E | Telephone |
| 〒 | U+3012 | E-Mail / Postal mark / Mail |
| ✓ | U+2713 | Check mark |
| ⚑ | U+2691 | Flag |
| ♥ | U+2665 | Heart |
| ✝ | U+271D | Latin cross |
| ✚ | U+271A | Cross |
| ☤ | U+2624 | Caduceus (Medical / hospital symbol) |
| ☮ | U+262E | Peace |
| ♂ | U+2642 | Male |
| ♀ | U+2640 | Female |
| ★ | U+2605 | Star |
| ☂ | U+2602 | Umbrella |