Syntax

A Eukleides source file can contain:

Variable names are alphanumeric and case sensitive, the first character has to be a letter. Variables can store various objects: number, vector, line, segment, circle, conic curve. A line of the source file can contain more than one assignment or command. (In this case they must be separated by semicolons, but no semicolon at the end of the line.)

We'll use the following notations to describe the parameters in a command:

An angular parameter is a number valued expression followed by `:' (degrees) or `<' (radians). A string is any single line text enclosed in double quotes. With xeukleides, in order to improve displaying of texts, dollar signs are skipped in strings.

We'll use square brackets to indicate optional parameters.



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