Structural Elements of a Program
Image bm250.GIF numeric constant
Image bm251.GIF arithmetic operations
Image bm252.GIF functions
Image bm253.GIF comparisons
Image bm254.GIF logic operations
Image bm255.GIF bit operations
Image bm256.GIF angle, direction
Image bm257.GIF numeric constant -1
Image bm258.GIF pi (circular constant)
Image bm259.GIF 2*pi (= 360 degrees angle)
Image bm260.GIF Euler constant
Image bm261.GIF distance of 1 graphic pixel (= 1/32)

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