Apparatus and method for interactively manipulating mathematical

Details Apparatus and method for interactively manipulating mathematical Apparatus and method for interactively manipulating mathematical

1992-02-26

1993-02-23

Nguyen, Long T.

Boots, shoes, and leggings

364735, G06F 300, G06F 1532

Patent

active

051896338

ABSTRACT:
A method and apparatus for providing an interactive mathematical manipulation methodology on a computer system. Equation manipulation and derivation as performed by a person using pencil and paper are simulated. The user enters an equation and performs mathematical manipulations by moving expression elements on the display. Features are included for maintaining the truth of expressions input by a user, simultaneously editing a multiplicity of equations, outlining expression elements, isolating a particular element in an equation, substituting one equation into another, and providing simplified parentheses rules.

REFERENCES:
patent: 4845652 (1989-07-01), Bunsen
patent: 4852057 (1989-07-01), Patton
patent: 4885714 (1989-12-01), Eisenstein et al.
Arnon, Dennis et al., draft of "CaminoReal: An Interactive Mathematical Notebook," 1987, Xerox Corporation.
Soiffer, Neil M., "The Design of a User Interface for Computer Algebra Systems,"Apr., 1991, Univ. of California, Berkeley.
"User's Guide" for Milo The Math Processor for the Macintosh, Paracomp, Nov., 1988.

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