Quadratic inequality Calculator

Solves the quadratic inequality and draws the chart.

    1. inequalty: ax2+bx+c 
    2.  
a
    1. (a≠0)
b
c

    Quadratic inequality
    [1-4] /4Disp-Num
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    [1]  2019/02/07 15:44   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    Homework
    Comment/Request
    Decent
    [2]  2019/01/07 05:33   Male / Under 20 years old / High-school/ University/ Grad student / A little /
    Purpose of use
    Homework
    Comment/Request
    It’s wack when showing the steps
    [3]  2018/02/26 07:39   Female / Under 20 years old / High-school/ University/ Grad student / A little /
    Purpose of use
    Help me with maths
    [4]  2017/08/24 19:27   - / Under 20 years old / High-school/ University/ Grad student / Not at All /
    Purpose of use
    H/W
    Comment/Request
    shitty

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