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King, James – Journal of Computers in Mathematics and Science Teaching, 1988
Explores the production of shadows for drawings using the LOGO computer language and Affine Geometry. Explains the methodology of the shadowing and lists the Affine Turtle procedures. Provides for different versions of LOGO. (MVL)
Descriptors: College Mathematics, Computer Graphics, Computer Oriented Programs, Computer Uses in Education

Hyde, Hartley – Australian Mathematics Teacher, 1992
Utilizes LOGO to teach the concept of inequalities by programing the turtle to take random walks in the coordinate plane restricted to predetermined regions defined by inequalities. The students task is to discover the inequalities that define the illegal areas into which the turtle must not move. Provides examples and corresponding computer…
Descriptors: Algebra, Analytic Geometry, Computer Assisted Instruction, Computer Graphics