Elizabeth A Lopez

US Patent:

20180032476, Feb 1, 2018

Filed:

Aug 1, 2016

Appl. No.:

15/224670

Inventors:

Elizabeth Blancas Lopez - Pacifica CA, US

International Classification:

G06F 17/11

Abstract:

A calculator that allows a user to solve different type of mathematical problems with a step-by-step explanation is provided. The calculator includes a display that (i) allows the user to provide inputs to the calculator by touching the display for solving a mathematical problem, and (ii) displays an output; a programmed chip that stores programs for solving the mathematical problem; a processor that processes the inputs based on the set of programs to solve the mathematical problem; a chip slot that is adapted to receive the programmed chip; and a virtual button that provides step-by-step explanation for solving the mathematical problem. When the user provides the inputs to the calculator, the processor executes the programs to solve the mathematical problem. The display displays the output of the solved mathematical problem. When the user presses the virtual button, the step-by-step explanation of the solved mathematical problem is displayed on the display.