| 1 | A | B | C | D | E | F | G | H | I |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | Omega - Technical omega symbols |  |  |  |  |  |  |  |  |
| 3 | Character | ⍵ | ⍵ | ⍹ | ⍹ | Ω | Ω | ℧ | ℧ |
| 4 | Unicode name | APL FUNCTIONAL SYMBOL OMEGA | APL FUNCTIONAL SYMBOL OMEGA | APL FUNCTIONAL SYMBOL OMEGA UNDERBAR | APL FUNCTIONAL SYMBOL OMEGA UNDERBAR | OHM SIGN | OHM SIGN | INVERTED OHM SIGN | INVERTED OHM SIGN |
| 5 | Encodings | decimal | hex | decimal | hex | decimal | hex | decimal | hex |
| 6 | Unicode | 9077 | U+2375 | 9081 | U+2379 | 8486 | U+2126 | 8487 | U+2127 |
| 7 | UTF-8 | 226 141 181 | E2 8D B5 | 226 141 185 | E2 8D B9 | 226 132 166 | E2 84 A6 | 226 132 167 | E2 84 A7 |
| 8 | Numeric character reference | ⍵ | ⍵ | ⍹ | ⍹ | Ω | Ω | ℧ | ℧ |

Question: In hex encoding, how is the ohm sign represented in unicode and what is its numeric character reference?
Answer: Unicode has the ohm sign (U+2126, Ω).