Update Record
2023.5.9: Online cubic equation calculator tool completed and launched
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Online Cubic Equation Calculator Tool

This is a calculator tool rewritten based on an online cubic equation calculation tool. Users can directly input the parameters at various positions to calculate the corresponding equation results with one click, and the calculation principle of the equation is also provided, which is very simple and practical. It is provided free of charge for friends who need it.

Online Calculator for Solving Cubic Equations
For example, enter a=1, b=8, c=16, and d=10. Click to solve the cubic equation
　 x^3 + 　 x^2 + 　 x+ 　 d =


Calculation Results:
X1: + i
X2: + i
X3: + i

About the Online Cubic Equation Calculator Tool

  1. This online cubic equation calculator tool provides a very simple and convenient one-click calculation function. By entering the parameters at the corresponding positions, you can calculate the result of the equation with one click.
  2. Cubic Equation Formula:
              Discriminant(Δ) = q3 + r2
    
            q = (3c- b2)/9
    
            r = -27d + b(9c-2b2)
    
            s = r + math.sqrt(    Discriminant)
    
            t = r - math.sqrt(    Discriminant)
    
            term1 = math.sqrt(3.0)*((-t + s)/2)
    
            r13= 2 * math.sqrt(q)
    
            x1=(- term1 + r13*math.cos(q3/3) )
    
            x2=(- term1 + r13*math.cos(q3+(2*math.PI)/3) )
    
            x3=(- term1 + r13*math.cos(q3+(4*math.PI)/3) )
  3. This site also provides the following similar equation calculation tools for everyone to choose and use:
    Online Single Variable Function (Equation) Solution Calculation Tool:https://www.masters-tool.com/jisuanqi/equ_jisuanqi
    Online Single Variable Quadratic Equation Calculator Tool:https://www.masters-tool.com/jisuanqi/yiyuanerci_jsq
    Online Single Variable Quartic Equation Calculator Tool:https://www.masters-tool.com/jisuanqi/yiyuansici_jsq