I try to write a multiplication dot and use `\cdot`

, `4 = 2\cdot{2}`

. But I get the error message `Missing $ inserted`

. What have I forgotten?

# [Tex/LaTex] Writing multiplication dots

errorsmath-mode

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# [Tex/LaTex] Writing multiplication dots

###### Related Question

errorsmath-mode

`\cdot`

, `4 = 2\cdot{2}`

. But I get the error message `Missing $ inserted`

. What have I forgotten?

## Best Answer

TeX and its various derivatives (such as LaTeX) distinguish between normal prose (

text mode) and mathematics (math mode). The simplest and original way to switch between the two is to use the math switch, which is`$`

.Here is a sample document to show you how it is typically used.