Solve Quadratic Inequalities on the Casio FX-991EX Classwiz Calculator

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Scientific Calculator Tutorial. AS Maths / GCSE maths - How to use a Casio FX-991EX Classwiz calculator to solve quadratic inequalities. Ideal for checking answers.
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When you have got your solutions, return to 'normal' mode by pressing [menu] then [1]
Thank you for watching :)

helenmathstutor
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Dear Sister, your video is very helpful. Allah bless you.

mdshihabalimullah
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nice video, do you know if there is a way to find complex roots on this calculator? thanks!

shajiratulyaqueen