Google Calculator, Soulver, SpeedCrunch, Numi, Convertbot, Free Currency Converter, fxSolver, Excalibur, Simple Calculator, Qalculate!, Microsoft PowerToy Calc, GeoGebra Scientific Calculator, Calculator++, Qaltex, Calcbar, Standard Deviation Calculator, Unit Wolf, Limit Calculator, Supercalc, A to Z Converter, Converters360, Getmathcharts.com, Sellertour PayPal fee Calculator, Voice Calculator, EasyCalculator, Convertr, Linux Extcalc are some alternatives to HandyCalc.