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's quick, easy to use, and most importantly, it's absolutely free.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 Ideally, as stated previously, this program would be great for people who maybe try their hands at algorithms and are constantly using math to solve certain types of equations for their project. In conclusion, this is a great app if you have any kind of problems with math that you want to quickly solve that maybe you can't find the functions for on a regular piano. However, if you do prefer an old school way of using an online calculator, there is an option available to have a keypad present while using the program. SpeedCrunch also comes with an automatic completion feature, which allows you to find the answer to your solutions much quicker, rather than having to manually put in the integers and press an equal sign with a regular type of online calculator. Along with, as previously stated, a multitude of different languages, though math is primarily a universal language. SpeedCrunch is available on 3 different systems, including Linux, Windows, and MacOS. Another perk of the program is that it's not just for one type of platform. It comes with all of the formulas a math whiz could think of, along with an ability to even define your own formulas you may need to find the solution to any of the equations you think up. Not to mention, it comes in several different languages. It's absolutely free, to make things even better. This product would be absolutely vital for someone who does any type of work where math is a central part of it.
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