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Mathematics teaching system

  • US 4,117,607 A
  • Filed: 04/11/1977
  • Issued: 10/03/1978
  • Est. Priority Date: 04/11/1977
  • Status: Expired due to Term
First Claim
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1. A mathematics teaching system for use by a student, for performing operations involved in calculation comprising:

  • entry means operable by said student to enter a mathematics problem and a step-by-step solution of said problem;

    calculating means for automatically calculating a correct step-by-step solution to said problem; and

    display means, said calculating means providing carry and borrow information to assist the student in performing calculations required in calculating said step-by-step solution of said problem, said display means being responsive to said entry means to display the entered calculation steps and being responsive to said calculating means to display said carry and borrow information to assist said student in performing calculations required in calculating said step-by-step solution.

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