![]() ![]() ![]() In the program, expressions can include variables, units, functions, numbers, and arithmetic operators. If an expression cannot be entirely solved, Qalculate! Portable will simplify it as much as possible and respond. ![]() However, if you enter an expression that is not fully recognized or is ambiguous, Qalculate! will provide a subtle warning or error with helpful information. The interpretation of mathematical expressions is lenient and can handle mistakes. Qalculate! Portable offers an expression entry method that allows you to input mathematical expressions naturally, just as you would write them on paper. Qalculate! Portable offers a user-friendly interface, a vast library of customizable functions, unit calculations and conversion, physical constants, symbolic calculations (including integrals and equations), arbitrary precision, uncertainty propagation, interval arithmetic, and plotting. ![]() If you want more features, like fractions, degrees/minutes/seconds, customizable conversions and constants, landscape mode, and a 12-digit display, you can purchase RealCalc Plus.Qalculate! Portable is a user-friendly yet powerful math software with practical tools like currency conversion and percent calculation. The free version offers many useful features that may be enough for your purposes. You can also choose from a number of display styles and formats to customize the look of the app. It's different from the other calculators listed above-you can't just type in the equation as it appears. When using the traditional type, make sure you put parentheses around parts of the equation to preserve calculation order. The app offers two calculator types, traditional and Reverse Polish Notation (RPN). Binary, octal, and hexadecimal calculations work just fine too. It also supports history, memories, unit conversions, and constants. RealCalc has all the standard scientific function you'll need. It's designed to look like the traditional hand-held scientific calculators you used in school. Another good scientific calculator is the popular RealCalc. ![]()
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