Our Eigenvalue Calculator is a free online tool that helps you calculate the eigenvalues of a 2×2 matrix quickly and accurately. Just enter the values of the matrix, and the calculator will solve the characteristic polynomial equation to provide exact eigenvalues. It supports both real and complex eigenvalues, making it suitable for all types of problems. The tool is mobile-friendly and WordPress-safe, so it works perfectly on any device. Ideal for students, teachers, engineers, and mathematicians, this online eigenvalue calculator is a useful resource for studying linear algebra, physics, and engineering applications.