Points and vectors may be entered in Cartesian or polar coordinates (see Numbers and Angles).
Note: Upper case labels denote points whereas lower case labels refer to vectors.
Examples:
· To enter a point P or a vector v in Cartesian coordinates use P = (1, 0) or v = (0, 5).
· In order to use polar coordinates type in P = (1; 0°) or v = (5; 90°).
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