In some contexts, such as proofs or beamer presentations, equations are sometimes labeled with symbols rather than numbers. One of my attempts is the following:

```
#set math.equation(numbering: "(*)",number-align: left)
$
f= u product g_i space.thin .
$
```

The result turns out to be a star in superscript.

Is there a way to make it normal size?

This is actually a normal asterisk, but we can replace it with a centered one.

I used asterisk operator in particular.

If you prefer a different one, you can select one at asterisk | Graphemica Search.

```
#set math.equation(
numbering: n => {
let symbols = ("∗", "†", "‡", "§", "¶", "‖")
let symbol = symbols.at(calc.rem(n - 1, symbols.len()))
[(#symbol)]
},
number-align: left,
)
$ f = u product g_i space.thin . $
```

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