A pH Calculator, a Virtual Titrator, a Real Titration Data Analyzer, a Distribution Diagram Generator - that's CurTiPot, the all-in-one freeware with interpolation, smoothing, simulation, nonlinear regression, graphics and database. Simply open de MS-Excel file (at medium security level) and start learning and working with chemical equilibrium of acids, bases, salts and buffers at home, classroom and laboratory.