# Revision history [back]

The best you can do in Math is to insert the double arrow as a symbol: ⇄ U+21C4

2 "H"_2 "O" oper ⇄ "H"_3 "O"^"+" + "OH"^"-"


I used oper to turn the double arrow into an operator.

The best you can do in Math is to insert the double arrow as a symbol: ⇄ U+21C4⇌ U+21CC

2 "H"_2 "O" oper ⇄ ⇌ "H"_3 "O"^"+" + "OH"^"-"


I used oper to turn the double arrow into an operator.