Quadratic equation Calculator

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Solves the quadratic equation and draws the chart.

a
b
c
    Quadratic equation
    [1-5] /5Disp-Num
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    [1]  2021/03/02 15:18   20 years old level / High-school/ University/ Grad student / Useful /
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    Compare computer program results
    [2]  2020/07/31 09:42   30 years old level / An engineer / Useful /
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    Time saving
    [3]  2020/02/01 20:46   Under 20 years old / Elementary school/ Junior high-school student / A little /
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    Homework
    [4]  2019/01/29 04:21   Under 20 years old / Elementary school/ Junior high-school student / Very /
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    homework
    [5]  2018/10/19 08:08   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    time saving
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    thanks

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