Equation calculator (linear, quadratic, cubic, linear ...
https://www.hackmath.net/en/calculator/solving-system-of-linear-equationsWrite each equation on a new line or separate it by a semicolon. The online calculator solves a system of linear equations (with 1,2,...,n unknowns), quadratic equation with one unknown variable, cubic equation with one unknown variable, and finally, any other equation with one variable. Even if an exact solution does not exist, it calculates a numerical approximation of …
Differential Equations. Step-by-step calculator
https://mathdf.com/difCalculator applies methods to solve: separable, homogeneous, linear, first-order, Bernoulli, Riccati, integrating factor, differential grouping, reduction of order, inhomogeneous, constant coefficients, Euler and systems — differential equations. Without or with initial conditions (Cauchy problem) Enter expression and pressor the button. Options.