It may sound weird, but it works very well in practice. How Axel works?Īxel does the same thing any other accelerator does: it opens more than one HTTP/FTP connection per download and each connection transfers its own, separate, part of the file. I have downloaded axel – a light download accelerator for Linux command line. If I had had SpeedCrunch or Qalculate! during high school, finishing homework really would’ve been child’s play.Therefore, I decided to get rid of wget. 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. SpeedCrunch is the lesser of the two beasts. 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. #COMPLEX NUMBERS WITH SPEEDCRUNCH MAC OS# It’s available in the software repositories for most distributions, or you can grab the tarball from the project’s Download page. Once installed, you can launch SpeedCrunch from the Applications -> Accessories menu if you’re running GNOME or from the Utilities menu on KDE. One of the most useful buttons on SpeedCrunch’s keypad is ans. Whenever you compute any value with SpeedCrunch, the answer gets stored in ans. 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. This means you can set x = 7 and y = 4 and then solve equations such as z = 4*x+5*y^2-17. To delete the value of a stored valuable, click Edit -> Delete Variable and then select the variable from the list. 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. 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. You can change this behavior from the View menu. To see a list of supported mathematical functions and pre-stored constants, click Settings -> Show Function List and Settings -> Show Constants List. You can then access the functions and constants from a tabbed right panel. 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!. Like SpeedCrunch, Qalculate! is available in the software repositories of most distributions. #COMPLEX NUMBERS WITH SPEEDCRUNCH SOFTWARE# 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. #COMPLEX NUMBERS WITH SPEEDCRUNCH INSTALL# Aside from the regular algebraic expressions discussed above, Qalculate! offers many more mathematical functions which you can access from the Functions menu. Each function is listed under the relevant heading, so you’ll find Integrate and Derive under Calculus, and Tangent, Sine, and Cosine under Trigonometry. Like the Functions menu, a Units menu is organized such that you’ll find Illuminance, Radiance, and Luminous Flux under the Light heading. You can use Qalculate! to perform any number of complex operations, such as calculating loan amounts or computing accursed interest rates, by choosing the appropriate function from the Function menu.Īmong Qalculate!’s simpler features is a currency converter. For instance, when you type 240 USD + 18 RUB - 2 EUR + 60 YEN = x USD in the expression field, Qalculate! answers x~=238.34878. To make sure your calculations use current values, click File -> Update Exchange Rates. #COMPLEX NUMBERS WITH SPEEDCRUNCH UPDATE# Supported currencies are listed under Units -> Currency. #COMPLEX NUMBERS WITH SPEEDCRUNCH SOFTWARE#.#COMPLEX NUMBERS WITH SPEEDCRUNCH UPDATE#.#COMPLEX NUMBERS WITH SPEEDCRUNCH INSTALL#.#COMPLEX NUMBERS WITH SPEEDCRUNCH MAC OS#.
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