Windows Calculator, Google Calculator, RealCalc Scientific Calculator, PCalc, Precise Calculator, handyCalc, Uno Calculator, Calculator N+, MyScript Calculator, galculator, Calcbot, Sticky Calculator, Integral Calculator, NumWorks Graphing Calculator, Moffsoft FreeCalc, GeoGebra Scientific Calculator, Omni Calculator, Calculator++, Kalq, Multi Share Calculator, RTRO-CLC2, Calcbar, Calculator by Xlythe, Ruvenss Calculator, Algebra Calculator, GNOME Calculator, makina, Calculate, Supercalc, CalcBuddy Calculator, EBTCalc, Real Time Calculator, JustBrowsing Calculator, ESBCalc, Oficalc, Mathdroid, Calculairum, GlassCalc, XCALC, MyCalc2, Calculator plus1, ThinkCalculator, Getcalc, MochiMicho Calculator, Calc98, Rule of 3 Calculator, Arithmate Pro Calculator are some alternatives to Simple Calculator.