One of the most common things people do in typing out simple math is to use the 19th letter of the English alphabet instead of the multiplication sign. The multiplication sign never has serifs and is set above the baseline in all fonts:

## ×|x

The horizontal line is just there for symmetry.

All modern and proper word processor programs (are they even called that now?) have a way to easily insert special characters like this. All modern file formats support the × character and no web browser will fail to display them correctly. Please use this!! It is the correct symbol and gives your work a much more professionally done appearance. If the math is algebraic, it may prevent a confusion between the variable x and a multiplication!

With the appreciation of a sometime equation typesetter, and frequent equation user,

Your author.

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