Writing Comments
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When writing long, complex formulas, it is helpful to make comments throughout the formula to describe what is going on. Experienced programmers will attest to the fact that the prudent use of comments makes programming code much easier to debug and work with.
Comments can be entered in a formula by surrounding them with "{" and "}" braces. The following formula contains two comments (shown in bold).
macd() {the MACD times} * ((H+L+C) / 3) {the average price}
Notice that comments within comments will cause an error message to be displayed.