Company Francesco Grassi created these great apps:
Finanzmathematik Rechner, Matrix100, FinCalc, Vector calculator Math Physics, FinCalcPro Financial Solver, Too difficult for you?, Magico, Percentage Solver, Systems Of Equations, CalcTutor - a tool for students and kids, Parabola - quadratic and biquadratic equation solver, real and complex solutions, Mathematical Expressions - Generator and Solver, Exponential Equations ++, Logarithms, Roots, Powers - Exercises and complete solutions, Linear Equations Tutor, and others..
