Top Alternatives to Qalculate!

SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface.

Microsoft Mathematics (Microsoft Math) is a freely downloadable educational program, designed for Microsoft Windows, that allows users to solve math and science problems.

Calculator provides simple and advanced mathematical functions in a beautifully designed app.

RealCalc Scientific Calculator is popular scientific calculator for Android.

handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.

fxSolver is a math solver for engineering and scientific equations.

GraphCalc is an open source software for Windows and Linux that provides the functionality of a graphing calculator.

Soulver is quicker to use than a spreadsheet and smarter and clearer than a traditional calculator.

CalcTape Calculator with virual paper tape and note functions for Windows, iPhone, Android and MacOS.

OpalCalc is an interesting combination of a scientific calculator and a spreadsheet, which comes packed with features.

Calcbot is a intelligent calculator and unit converter.