Cubic inequality Calculator

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Solves the cubic inequality and draws the chart.

    1. inequalty:　ax3+bx2+cx+d

a
    3. (a≠0)
b
c
d
    Cubic inequality
    [1-2] /2Disp-Num
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    [1]  2021/05/14 05:32   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Had to caculate something for in game use
    [2]  2014/10/21 19:45   Under 20 years old / High-school/ University/ Grad student / Not at All /
    Purpose of use
    cheating
    Comment/Request
    error all the time

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