Macro returning objects within the area centered around the given coordinate with diameter specified by 'diameter'. Diameter has to be specified in arcminutes, not greater than 10. Coordspec can be any of the keywords given above. Macro returning objects within the polygonal area given by the N coordinate pairs in the given coordinate system. Calculate sine function of expression.
Expression can be any mathematical expression.
Calculate cosine function of expression. Calculate square root of expression. Calculate natural logarithm of expression. Calculate 10-based logarithm of expression. Calculate natural exponentiation of expression.