5/16/2023 0 Comments Speedcrunch convert to fraction![]() ![]() Aside from the regular algebraic expressions discussed above, Qalculate! offers many more mathematical functions which you can access from the Functions menu. Ubuntu users can install it with the standard sudo apt-get install qalculate command, while Fedora users have to run su -c "yum install qalculate-gtk".Īfter installing Qalculate!, GNOME users can launch it from the Applications -> Accessories menu, and KDE users from the Utilities menu. Like SpeedCrunch, Qalculate! is available in the software repositories of most distributions. If SpeedCrunch doesn’t impress you enough and you want even more from your calculator, such as solving calculus or trigonometry problems, turn to Qalculate!. You can then access the functions and constants from a tabbed right panel. To see a list of supported mathematical functions and pre-stored constants, click Settings -> Show Function List and Settings -> Show Constants List. You can change this behavior from the View menu. SpeedCrunch remembers expression history across sessions, but you can click Edit -> Clear History to hide all traces of using SpeedCrunch to do your homework.īy default, SpeedCrunch displays up to 20 decimal digits where applicable. Along with these variables, SpeedCrunch also remembers every expression you ever enter, and you can browse through the history of expressions by using the up and down arrow keys. To delete the value of a stored valuable, click Edit -> Delete Variable and then select the variable from the list. This means you can set x = 7 and y = 4 and then solve equations such as z = 4*x+5*y^2-17. ![]() For instance, if you enter 2^8-10+14*6, the answer, 330, is stored in ans, which means you can then enter ans*4-16.Īnother cool feature is variable storage. Whenever you compute any value with SpeedCrunch, the answer gets stored in ans. One of the most useful buttons on SpeedCrunch’s keypad is ans. Once installed, you can launch SpeedCrunch from the Applications -> Accessories menu if you’re running GNOME or from the Utilities menu on KDE. It’s available in the software repositories for most distributions, or you can grab the tarball from the project’s Download page. It runs not only on Linux but also on Windows and Mac OS X, and offers over 50 mathematical functions, unlimited variable storage, automatic completion, expression history, and more. SpeedCrunch is the lesser of the two beasts. From breaking down complex algebraic equations, to solving your calculus problems, to performing geometric computations and providing statistical answers, SpeedCrunch and Qalculate! are tools that offer quick solutions to difficult questions. not attached here, since calculator is a bit ugly and has no built-in help, and one should remember all its commands.If I had had SpeedCrunch or Qalculate! during high school, finishing homework really would’ve been child’s play. even if I missed smth required for my work, I just edit sources and add this functionality representing floating point number as a continuos fraction, checking for primeness, finding gcd/lcm, etc.Īnd so on. some exotic functionality also presents: e.g. full SNaN, QNaN, machine zero, epsilon, +Inf, -Inf and rounding schemes support for IEEE-754. binary complement format is supported, one can change signed and unsigned representation on the fly, this is usefull to check, that e.g. surely, hex, oct, bin radixes are supported, including limiting representation size, so one can always know how many bytes will be required to represent current number in memory (including floating point format) all bit operations are supported, including popcount and cyclic shift even through carry bit (to emulate CPU instructions), but one can cyclic shift even 256-bit number too floating point numbers can be with different mantissa and exponent size, so one can just get 128-bit floating point compatible with IEEE-754, or play with 256-bit floats to see if they will help. almost any number lengths are supported, i.e. surely, I wrote my favorite myself, here is list of features, maybe someone will find them useful to implement in their programs: ![]() reverse notation, if you love it), second, it is not a very difficult task. I think, programmer, should write calculator himselfįirst of all, it is interesting and you can add features, required by your calculation style (e.g. ![]()
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