All downloads are free to try. Where applicable, they may contain message reminders to purchase a license, but are otherwise fully functional. uCalc Graphing Calculator 4.6 (~2.1Mb) - Current version Dacorbi Pattern Search 1.0 (~373Kb) - Current version uCalc Fast Math Parser 2.96 (~1.02MB) - Current version Ultimate Calculator 3.2 (~102Kb) - Old DOS version New uCalc Language Builder, August 2011 beta (~160Kb) [Legacy versions: uCalc Graphing Calculator 4.0, uCalc FMP 1.0, uCalc FMP 2.0, EqSolve for 2.0, Spreadsheet for 2.0; Note: uCalc FMP 2.96 already includes spreadsheet and equation solving examples]