I checked the Software Center and when selected they say "Install" in the lower right of the select box. My installed apps, Midnight Commander and SpeedCrunch, are gone. I changed the "Z" letter in the lower left corner to black. Afterwards everything I did before was gone. Is this the menu that you get by clicking on the "Z" letter in the lower left corner of the main window?Ģ) I did a restart. Results were as follows:ġ) I did not see an obvious search function on the Main Menu. percent operator, try e.g.Thanks for replies.special variable ans holds the last calculation result.support for variables, e.g try x=pi/3 and then sin(x).built-in functions: abs, sqrt, pi, log, exp, ln, sin, cos.history of last expressions (use up and down arrow).Here are some key features of "SpeedCrunch": cos(pi/4 is automatically corrected to cos(pi/4).įor your convenience, it is even possible to customize the font and color used for the display. Speaking about parentheses, closing them can be left to SpeedCrunch, e.g. Also, for such function you may skip the parentheses if you pass simple number or variable, sin 0.1 is as valid as sin(0.1). For example, just typing sin followed by Enter - likely means taking the sine of last value - is automatically translated as sin(ans). Often, SpeedCrunch can still understand an incomplete expression. This means, you can still recall those calculations you have done yesterday or last week. Your expression history (maximum last 100 expressions), as well as variables you have defined, are saved between sessions. Another variable pi holds one of the most important constant in math world. There is a special variable, ans, which always holds the last calculation result. When you want to use a variable but you can not recall its exact name, use Ctrl+I to show a list of variables that you can pick easily. You can define as many variables as you want. Using assignment, such as x=0.3 means that variable named x has the value of 0.3, which you can always later on, for example sin(x). SpeedCrunch allows variables to hold calculation result. Or take advantage of auto-completion feature, for example type the letter s only and in less than a second you will be automagically given with choices of sin, sinh or sqrt.Īdvanced calculation sometimes needs memory feature. You do not need to memorize function names, use Ctrl+F to pop up a dialog where you can choose the function that you need. If you want to reuse again the expression which you typed before, then press up and down arrow to access the expression history.īeside standard algebraic operator like + (addition), - (substraction), * (multiplication), * (division), ^ or ** (power), there is support for some functions, for example sin, log, abs, and many more. And, you can quickly copy the last calculation result to the clipboard using Ctrl+R. Result is shown in the scrollable display. SpeedCrunch is easy to use, just type the expression that you want to calculate and press Enter. Result is shown in scrollable window, history of expressions is available with up and down arrow. SpeedCrunch is designed to be enjoyed using keyboard. SpeedCrunch is a fast, compact, high-precision calculator (up to 50 decimal digits), ideal for power users.
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