fx-991EX Classwiz: Solving Equations and Visualization with Scientific Calculator

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  • čas přidán 23. 06. 2020
  • This video shows you how to use the Equation/Function menu in the fx-991EX Classwiz scientific calculator to solve equations. You will see the steps to enter the polynomial/functions/equations, and how to solve. You will also see how to use the QR code to then see a visualization/graph of the solution.

Komentáře • 9

  • @mubaraksons5114
    @mubaraksons5114 Před 2 lety +1

    Thanks for the help it made graphing and solving system of equations a lot easier :D

  • @raviramkiranbharadwaj6676

    How to do the cube root of 24 in the same calculator

  • @fahadjalal6732
    @fahadjalal6732 Před rokem

    I am solving simultaneous equations with decimal values, its giving me math error. But working on 991es plus calculator correctly.

  • @ataki2023
    @ataki2023 Před 3 lety

    good afternoon, please tell me how exactly on this calculator (casio fx 991ex) to solve two equations (intersection of a circle and a straight line), thanks.

    • @CasioEdTech
      @CasioEdTech  Před 3 lety

      On this calculator, if you are trying to solve a polynomial with a linear, it is a bit more difficult. You can't use Equation Solver menu since that only does simultaneous equations up to 4 unknowns, but not simultaneous polynomials. If you solve a polynomial it is looking only for the roots.
      One possible method would be to put both equations in y= and/or f(x)= form (so solve for y). The circle equation would then be a square root. You could then go to the Table menu and enter both equations (one in f(x), the other in g(x). Then find the intersections in the table. I would then use the QR code to 'see' the graphs and you could see the intersections. Of course, you are only going to see half the circle at a time, so you would need to do it again for the negative square root as well.
      A graphing calculator is a better tool for polynomial intersections.

    • @ataki2023
      @ataki2023 Před 3 lety

      @@CasioEdTech Thank you very much, you helped me a lot.

  • @raviramkiranbharadwaj6676

    In the CASIO FX-992 CLASSWIZ

  • @snoopah3077
    @snoopah3077 Před 3 lety +1

    How to download?

    • @CasioEdTech
      @CasioEdTech  Před 3 lety

      Here's the link to download our emulator software (free until August 31, 2021) edu.casio.com/softwarelicense/aid/manager/en/