The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 26, 2005
Filed:
Nov. 08, 2001
J. Douglas Child, Maitland, FL (US);
Malgorzata A. Brothers, Plano, TX (US);
Todd Fortenberry, McKinney, TX (US);
J. Douglas Child, Maitland, FL (US);
Malgorzata A. Brothers, Plano, TX (US);
Todd Fortenberry, McKinney, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A hand-held calculator programmed to teach mathematics in a manner which emulates traditional step-by-step teacher-student teaching methods and shows the important intermediate steps. Using linked lists, the method allows the use of selected data sets of problems and provides choices of mathematical operations, including transformations which are applicable or can operate on a selected problem. Importantly, the choices available to the student will not always lead to a solution or simplification of the problem. This allows the student to see the effect of an improper choice, as well as a proper choice.