Ubuntu :: New Calculator - Change The Pull Down To 'decimal' Expecting To See The Decimal (base 10) Value
Mar 31, 2011
snappy title to grab attention. maybe not stupid, but bleeding difficult to use, talk about a non-obvious, non-intuitive interface; I want to enter a hex value, and have the calculator convert that to decimal. So, I use the pull-down, choose 'hexadecimal', enter the hex value, then change the pull down to 'decimal', expecting to see the decimal (base 10) value. What do I see? The display just adds the hexadecimal base to the end of the hex value I just wrote! Where's my decimal (base 10) number damn it? I can't for the life of me work it out.
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Dec 9, 2010
I just noticed there doesn't seem to be a decimal point button on the calculator (gcalctool 5.32.0) when it is in programming mode. I'm using Fedora 14 (32-bit).
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Jul 4, 2011
i have a small script that takes the time in seconds(this is a very long number like 615.232145457577) and i convert it to minutes or hours by dividing by 60 or 3600 respectively. I would like to be able to get the result with maybe upto to 2 decimal values.
If i do echo "613.568787987975 / 3600" |bc -l
this gives: .17043577444110416666
How can i just get .17
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Nov 10, 2010
I get this:
0000000 1202 0 0 0 0 0 0 0
0000020 141 89 63 89 141 0 0 0
[code]....
How to go from decimal to numerical values?
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Aug 10, 2010
Can anyone specify the methods how to add decimal numbers in Linux
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Dec 14, 2010
I have a script that creates a textfile with ip addresses and ports, but the ports are in hex format so they need to be converted.
Currently I have this code:
Code:
I'd like to have the second column in decimal instead of hex, like this:
Code:
Is there any way to do that with awk, preferably in a oneliner? Would printf be an option?
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Jan 13, 2011
I have a script in the works that reads an MP3 file and gets the track length. Trouble is, it gives me the total seconds, like this:
Sample Track.mp3 = 225.55 seconds
What I'd like to have is that 225.55 converted into minutes:seconds format (in this case, 3:45). How can I do this?
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Apr 28, 2010
I just need to perform a simple operation of subtracting two numbers - that aren't whole numbers, i.e 200.56 - 67.24attempting to use expr i merely get "expr: non-numeric argument"
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Aug 11, 2010
I'm writing an if statement where a variable is a number such as 14.05 (this is actually a temperature) and I want to compare it to a predefined value, sample code below:
Code:
I have all sorts of errors regardless of how I do this (double quotes, square brackets). The best idea I've had is stripping off the decimal place so it's a 4 digit number (e.g warning=1503 and DEV_TMP=1405) however this seems a little unnescessary and I'm sure there's an easier way of achieving the same thing.
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Apr 21, 2011
Code:
#!/bin/bash
echo 'obase=2;10'|bc
[code]...
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Jul 25, 2011
How would I rename all files with a leading decimal point recursivley? I some how got all my music files to have a decimal point.I tried the below and got a " sed argument to long".[CODE]find /media/MUSIC -type f -name "*.wma" | xargs -0 sed -i 's/.(.*)/1/'[CODE]
Another question, can i just use -type f with out -name ? I am sure that all the files got the decimal point added as the first character.
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Apr 30, 2011
Just upgraded to Natty and I cannot figure out how to change the calculator mode to scientific.
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Nov 25, 2010
I am installing server 10.04.1 (non-gui) on an old Dell box. All goes well until it gets to the point of "Install the base system". I get a dialog "Media Change" with asks: Please insert the disk labeled 'Ubuntu-Server 10.04.1 LTS _Lucid Lynx_ - Release i386 (20100816)' in the drive /cdrom/ and press enter. I thought that was the disk I had inserted. I looked at the disk in another machine and it appears to be labeled simply "Ubuntu-Server 10.04.1 LTS i386". I did a check of the media before starting the install and have even tried a different DVD reader in the machine as I thought it might be an issue with the drive failing to read the disk. I again and again get the error shown above.
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Sep 5, 2010
I'm interested in changing the console text color. I can change the console color easily in X, but I'd also like to change the color of the text when my computer first boots up (like right after LILO).Is this something I can modify without rebuilding the kernel? If not, does anyone know where in the source I could make a change like this?
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Apr 20, 2010
can we find logarithm to base 10 instead of base 2 on shell script??i can do it with bc..like 'l(1000)/l(10)' | bc -l
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Sep 22, 2009
I have a router that is 1000 Base T and two computers each with ethernet cards that support 1000 Base T. All are equipped with Cat 5e cable. Before I had a router that only went up to 100 Base T and I would setup one box with linux running proftpd. On the other box,I would use win xp pro and use firefox to ftp into the other box and download a file. Download speeds went up to 11.2 MB/sec. Now when I switched routers, I expected something like 120 MB/sec but I'm only getting 5.3 MB/sec. What do I need to change?
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Feb 7, 2010
I was looking for some film info and ended up at the Apple quicktime website. Clicked on the video preview option (expecting nothing to happen) and it played in a kaffeine window.
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Sep 17, 2010
I'm trying to load the drivers that came with my wireless-n usb adapter. The file is rt2870.bin. I ran cmod a+x rt2870.bin command in terminal just fine. When I try to run sudo ./rt2879.bin I get an error message 1: Syntax error: word unexpected (expecting ")"). The .bin file came from the wireless adapter manufacturer. Am I missing something? Should the cmod be run under sudo as well? This device ran just fine before my router got funky. I finally got my 3 windoze boxes to connect, one using the same adapter as Ubuntu.
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Dec 4, 2010
When I try to launch the Calculator from the Applications menu I get the "Starting Calculator" tab in the bottom panel, but the application never launches and the tab disappears after a few seconds.
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Feb 15, 2011
i cannot work out how to get the calculator icon on my top taskbar so i can access it fast from there, i know that with ubuntu you right click on it and add to taskbar, this doesnt seem to do it with xubuntu, i cannot work out how to do it.
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Oct 4, 2010
I'm currently reading math courses at home, as opposed to doing it in school, and Swedish schools recommend getting a TI 80 or TI 83 calculator for these math courses. If I'd actually buy one of them, a TI 83 would probably be a better choice since it would last me through more courses, but for now a TI 80 calculator is enough. They are graphing calculators, for anybody that doesn't know.
Anyway, since I'm reading at home, and these calculators are a little expensive, I was looking at software to replace them... The gnome calculator that comes with Ubuntu is a good start, and is probably almost enough for what I will need for now, but it lacks the graphing capabilities, which I will need.
Is there either a more complete calculator, or something to complement the gnome calculator, that will suite my needs? I know I could look through all of the calculators in the repos, but frankly it takes quite a bit of time.
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Oct 12, 2010
When I press the calculator key on my keyboard and the calculator comes up, I can't use my mouse anymore. I can move it but I can't click on anything. Is there a fix for this?
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Dec 23, 2010
I want to know if it is possible to edit the source code of the programs in Linux. Like, take the calculator for instance. If I want to add a user-defined function to it, how can I do it - if I can do it at all? In general, where and how can I look at the source code of such programs ?
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Mar 29, 2011
I have followed the calculator sample tutorial and cannot get the the calculator client working, the problem appears on the server side. I am working on Linux, I am using:
- Axis C++: axis-c-linux-current-bin.
- Xerces (parser xml): xerces-c2_2_0-linux8.0gcc32
- Apache 2: httpd-2.0.64.
I have used Eclipse to compile the example. When I run the calculator client I get the following message on the command line: "terminate called after throwing an instance of 'axiscpp::SoapFaultException' what(): Cannot deserialize the requested element " and warning message:
[code]....
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Apr 10, 2010
Does anybody know of a good graphing calculator program for Fedora 12 KDE? I tried fung-calc and some problems are occurring in the installation. I have followed the directions in the README, and I am doing something wrong, although I am following the directions in the README. Basically, it can't make. I get a message stating:
Code:
[root@localhost fung-calc-1.3.2b]# ls
acinclude.m4 configure.files Fung_calc.kdevelop NEWS
aclocal.m4 configure.in fung-calc.spec.in README
[code].....
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Jan 19, 2011
Do you know some calculator casio or Ti- emulator for linux ?
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Sep 13, 2010
I have looked around but I can't find a crc32 calculator in Centos 5. Is there a native app or one I can download?
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Nov 20, 2010
I see the "starting calculator" icon but it just disappears after a few seconds. If gcalctool is run from a terminal it prints Code: GLib-GIO-ERROR **: Settings schema 'org.gnome.gcalctool' is not installed The way to fix it : Code: cd /usr/share/glib-2.0/schemas/ glib-compile-schemas .
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May 16, 2010
My main problem right now is doing floating point arithmetic within a bash script, with variables.Right now I have a folder called "myExamples" with a script called "run_example" that runs with no issues.I plan to(1) create many folders inside [myExamples], that are named [example10] [example11]...each containing an identical copy of (run_example),(2) modify Line 172 of each copy of (run_example)...in one copy, it would be 3.00, the next copy would have 3.05, etc. (This part doesn't work!)How can I use the available calculator bc code to do floating point operationsMy code is below -
#!/bin/sh
# run from directory where this script is
cd `echo $0 | sed 's/(.*)/.*/1/'` # extract pathname
[code]....
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Oct 28, 2010
Ubuntu 10.10 default calculator, gcalctool 5.32. seems to be missing the 10 memory registers it used to have. The geaphic keys for memory functions are missing and control-M does not bring up memory pop-up either. Am I just missing something or have they been removed? I store lots of intermediate results in the registers for use later in calculations.
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