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My post:

https://www.circuitlab.com/forums/support/topic/cep26zh7/feature-request-tanh_x-function-please/#comment_1537

is an example of how Markdown interprets "*" characters in an expression as text formatting syntax and so corrupts the meaning of the expression.

So that expressions can be shared directly via the forums - without having to drop into and out of user circuits - is there a way to enter expressions to stop this happening?

I've tried enclosing expressions in a variety of double and single quotes and brackets etc:

"ABC" 'ABC' [ABC] {ABC} (ABC) $A*B*C$ /ABC/

Try enclosing your expressions in backticks (the little thing above ~ on the keyboard, like

`0.5*TANH(V(A)*V(B))`

which in the middle of a paragraph will show up like this 0.5*TANH(V(A)*V(B)) without any formatting applied to that block.

Got it!

And enclosed text copied from a forum post automatically excludes the enclosing backticks.

Many thanks Mike.

(Note for UK keyboard users: the back tick is the key immediately to the left of the 1 key.)

Another way to do this (and the way that @mrobbins demonstrated the backticks) is to indent the expression by four spaces, like this:

Normal paragraph followed by blank line

    Expression indented by four spaces

Following paragraph preceded by blank line

You can probably guess that I had to apply this method to generate the above example.

In normal Markdown, this is known as a "code block" while the backticks method is known as "inline code".

Just added this info to the formatting guide (linked right next to every "Preview comment" button).