How to Solve a Quadratic Equation With a Casio Calculator

MS models

• 1

  Check that the equation to be solved is written out in standard form, ax^2 + bx + c = 0. If not, rewrite the equation as necessary.

• 2

  Press the "Mode" button repeatedly until "EQN" appears on the screen. Press "1" to enter the equation calculation mode.

• 3

  Press the right arrow key followed by "2" to select a quadratic equation.

• 4

  Input the values of a, b and c by entering a number then pressing the "=" sign. Scroll down to view the solutions to the equation.

ES models

• 5

  Rewrite the equation into standard form, if necessary.

• 6

  Press the "Mode" key followed by "5" to enter the equation calculation mode.

• 7

  Press "3" to select to solve a quadratic equation. This will take you to the coefficient editor screen.

• 8

  Input the values of a, b and c into the appropriate cells.

• 9

  Press the "=" button to see the solution to the equation. If additional solutions are available they will be displayed after more presses of the "=" button. You can also use the up and down arrow keys to scroll between solutions.