LOL, maybe I should put that on my to-do list.

If you don't mind I will experiment with your post using the "math" tag:

#### mikau wrote:

Yeah, always remember the differance of two squares.

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Always be on the look out for numbers with integer square roots. For instance

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Also variables with even exponants other (then zero) can always be converted to a square.

Example of the first one:

Now, using the math tag makes things a *little* slower, so best to use when other options fail. I often just cut and paste the symbols from the top of the forum, but there is no "^4", so that is where the math tag could help.