![]() Or insert one out of over 150 built-in scientific constants. Perform calculations with up to 50 digits of precision, using complex numbers, numeral bases, unit conversions, and more.Īuto-completion allows you to speed up your task.Ī built-in formula book allows to you to review and insert commonly used formulas, such as the volume of a cone. Variables allow you to store your results. SpeedCrunch comes with over 80 built-in mathematical functions. If you prefer the old-school way, an optional on-screen keypad is available as well. Customizable syntax highlighting allows you to spot mistakes easily. Previous inputs and results are shown in a scrollable history and can be easily recalled. Select a partial expression to evaluate only that part. It is free and open-source software, licensed under the GPL. SpeedCrunch displays results as you type. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. Maxima's help (which is also available from wxMaxima's help menu) will give you more information.SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. Press Shift+Enter, wait a few seconds, and you'll be ready to work.īy default, the unit package works with the basic MKS units, but if you prefer, for instance, to get N instead of kg*m/s2, you just need to type: One of the (wx)Maxima combo's most impressive features is that it works with dimension units. On top of the full power of Maxima, wxMaxima allows you to create "notebooks" on which you write comments, keep your graphics with your math, etc. WxMaxima is a well-designed graphical frontend for Maxima that simplifies the use of many Maxima options without compromising others. Maxima is a computer algebra system (CAS) with which you can do derivatives, integrals, series, equations, eigenvectors and eigenvalues, Taylor series, Laplace and Fourier transformations, as well as numerical calculations with arbitrary precision, graph on two and three dimensions… we could fill several pages just listing its capabilities. Sometimes (OK, many times) a desktop calculator is not enough and you need more raw power. The main application is written in PyQt5, but there is also an online version written in JavaScript. Just write the starting unit and the final unit in the corresponding boxes if the units are compatible, you'll get the transformation without protest. Trying to convert from astronomical units per year into inches per second? It doesn't matter if it makes sense or not, if you need to transform a unit of any kind, ConvertAll is the tool for you. Most unit converters stop at a long list of basic units and a bunch of common combinations, but not ConvertAll. OK, it's not a "calculator," yet this simple application is incredibly useful. Also, Qalculate! is more flexible with syntax errors, so you don't need to worry about closing all those parentheses: if there is no ambiguity, Qalculate! will give you the right answer.Īfter a long period on which the project seemed orphaned, it came back to life in 2016 and has been going strong since, with more than 10 versions in just one year. It's licensed under GPLv2 (with source code on GitHub) and offers versions for Linux and Windows, as well as a MacOS port. Have you heard of an exapascal pressure? I hadn't (the Sun's core stops at ~26 PPa), but Qalculate! has no problem understanding the meaning of 1 EPa. Its use of units is far more intuitive than SpeedCrunch's and it understands common prefixes without problem. It allows you to work with units, handle physical constants, create graphics, use complex numbers, matrices, and vectors, choose arbitrary precision, and more. The project offers a powerful library that can be used by other programs (the Plasma desktop can use it to perform calculations from krunner) and a graphical interface built on GTK3. Qalculate! (with the exclamation point) has a long and complex history. It works on Linux, Windows, and MacOS, and it's licensed under GPLv2 you can access its source code on Bitbucket. The list of available functions is really impressive. More options are available on the Configuration menu. With the F5 key, all results will turn into scientific notation ( 1.08e9 kilo meter / hour), while with F2 only numbers that are small enough or big enough will change. It supports working with units and comes loaded with all kinds of functions.īy default, SpeedCrunch delivers its results in the international unit system, but units can be transformed with the "in" instruction.ģ*10^8 meter / second in kilo meter / hour
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