How to write the (approximation iniquity) with a letter under it on latex?

# [Tex/LaTex] approximation symbol with a letter under it

symbols

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# [Tex/LaTex] approximation symbol with a letter under it

symbols

How to write the (approximation iniquity) with a letter under it on latex?

## Best Answer

Use

`\underset{A}{\approx}`

`\overset{A}{\approx}`

puts the A over the sign. AMS required.