Question: Another (maybe silly) question on a procedure

As I stated in an earlier post, I'm new at this.

I'm trying to write a procedure to calculate what is called a "crescent latitude". The full formula can be seen here:

b is equal to 0.081819221; it takes a single parameter φ (latitude of a location in degrees)


I normally get errors like unable to parse, unable to match delimters, etc. and the result is the name of the procedure and whatevere value of the parameter I put in parenthesis, not the calculated value.

Anybody can help?


Thanlk you


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