Quadratic Formula Calculator

  • Enter the coefficients (a, b, and c) of the quadratic equation.
  • Click "Calculate" to find the roots and additional information.
  • Roots will be displayed along with equation details.
  • Use the graph to visualize the quadratic equation.
  • Calculations will be saved in the calculation history.
  • Click "Clear" to reset the inputs and graph.
  • Click "Copy" to copy the results to the clipboard.

Calculation History:


    The Quadratic Formula Calculator is a valuable tool used in mathematics and various scientific fields to find solutions to quadratic equations quickly and accurately. It simplifies the process of solving these equations, which are fundamental in algebra and have numerous real-world applications.

    The Quadratic Equation


    The Quadratic Equation is a second-degree polynomial equation represented as:

    ax^2 + bx + c = 0


    • ‘a’, ‘b’, and ‘c’ are coefficients of the equation.
    • ‘x’ represents the variable we aim to solve for.
    • The equation can have one or two solutions for ‘x’, depending on the discriminant (b^2 – 4ac).

    The Quadratic Formula


    The Quadratic Formula is a powerful tool used to find the solutions (‘x’) of the quadratic equation. It is represented as:

    x = (-b ± √(b^2 – 4ac)) / (2a)


    • ‘a’, ‘b’, and ‘c’ are the coefficients of the quadratic equation.
    • The ‘±’ symbol indicates that there are two possible solutions, one with addition and one with subtraction.
    • The term √(b^2 – 4ac) is called the discriminant.

    The Role of the Quadratic Formula Calculator

    The Quadratic Formula Calculator simplifies the process of solving quadratic equations. Instead of manually plugging in values into the formula and performing arithmetic operations, users can enter the coefficients (‘a’, ‘b’, and ‘c’) into the calculator, which then provides the solutions (‘x’) automatically.

    Example Calculations

    Let’s explore some example calculations using the Quadratic Formula Calculator:

    Example 1:

    Given the quadratic equation 2x^2 – 5x + 2 = 0, we can use the calculator to find the solutions:

    a = 2 b = -5 c = 2

    Using the Quadratic Formula Calculator: x = (-(-5) ± √((-5)^2 – 4(2)(2))) / (2(2))

    Solving this equation, we obtain two solutions: x₁ = 2 and x₂ = 0.5.

    Example 2:

    Now, consider the equation x^2 + 6x + 9 = 0:

    a = 1 b = 6 c = 9

    Using the Quadratic Formula Calculator: x = (-6 ± √(6^2 – 4(1)(9))) / (2(1))

    Solving this equation, we find a single solution: x = -3.

    Real-World Use Cases

    The Quadratic Formula Calculator finds application in various real-world scenarios:


    In engineering, the calculator is used to analyze systems involving quadratic equations, such as the behavior of springs and other mechanical systems. It helps engineers determine critical parameters and design components effectively.


    In finance, quadratic equations are employed in various models, such as the Black-Scholes option pricing model. The Quadratic Formula Calculator aids financial analysts in solving complex equations to assess risk and make informed investment decisions.


    In physics, quadratic equations appear in problems related to motion, such as projectile motion and gravitational force calculations. The calculator assists physicists in solving equations to predict and analyze physical phenomena.

    Computer Graphics

    In computer graphics, quadratic equations are used to calculate the intersection points of curves and lines. This is vital for rendering realistic images and animations in video games and simulations.


    The Quadratic Formula Calculator is a valuable tool that simplifies the process of solving quadratic equations. It plays a crucial role in mathematics, engineering, finance, physics, and computer graphics, among other fields. By automating the solution process, it allows professionals and students to focus on understanding and applying the results of these equations rather than spending time on manual calculations.


    1. Stewart, J. (2015). Single Variable Calculus: Early Transcendentals. Cengage Learning.
    2. Boyce, W. E., & DiPrima, R. C. (2012). Elementary Differential Equations and Boundary Value Problems. John Wiley & Sons.
    3. Strang, G. (2006). Introduction to Linear Algebra. Wellesley-Cambridge Press.
    4. Bronson, R. (2008). Schaum’s Outline of Theory and Problems of Matrices. McGraw-Hill.

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