Equations Solver Lite is a free Android application developed by José Fernández. This app is designed to solve systems of linear equations of up to three equations and unknowns. It features a simple interface that allows users to enter the number of equations and unknowns, along with the names of the unknowns and coefficients of unknowns and constants. The app can handle negative coefficients, decimals, and any dimension.

One unique feature of Equations Solver Lite is that it allows users to enter custom names for each unknown. Additionally, the app is available in seven languages, including English, Spanish, Chinese, French, German, Japanese, and Russian. The demo version of the app is limited to solving systems of three equations and unknowns, but the full version is available for purchase. Overall, Equations Solver Lite is a useful tool for anyone who needs to solve linear equations on the go.