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Qalculate

   0.7.2  

Plasmoid Binary

Score 88%
Qalculate
zoom


Qalculate
zoom


Qalculate
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Link:  Link
Depends on  KDE 4.x
Downloads:  3723
Submitted:  Jul 5 2008
Updated:  Oct 22 2009

Description:

A calculator plasmoid that makes use of the Qalculate! library, which is needed to build this plasmoid (you can get it at http://qalculate.sourceforge.net).

You can use the comments to report bugs and suggest new features.

Application official website: http://wwwu.uni-klu.ac.at/magostin/qalculate.html

This applet is now in kdeplasma-addons on the KDE SVN repository. This means that it will be included in KDE 4.4. You can check out the code (and contribute if you wish :) at http://websvn.kde.org/trunk/KDE/kdeplasma-addons/applets/qalculate/




Changelog:

- 0.7.2
Fixed a bug in focus handling
Fixed history navigation, now it should be working also when plasmoid is in panel

- 0.7.1
Improved focus handling
Added option to automatically give focus to the input line edit on plasmod activation

- 0.7
Various bugfixes
Proper stretch factor of the settings dialog

- 0.6.4
Async. and non-blocking download of exchange rates at startup
Hide tooltips when applet is placed on desktop
Display icon when no input is given

- 0.6.3
Fixed bug when both live evaluation and write results in input line are enabled

- 0.6.2
Fixed vertical panel issue
Added option to evaluate expression as you type

- 0.6.1
Clear button added
Applet is scaled down to a one-line calculator when the option "Write results in input line" is enabled
Applet is now respecting locale settings
Fixed a couple of memory leaks
Fixed some translations

- 0.6
Applet rewrite. Now using Plasma::PopupApplet
Improved panel support
Improved interface
Added support for Reverse Polish Notation
Added base conversion
Added various options

- 0.5.2
KDE Proxy settings applied when downloading exchange rates

- 0.5.1
Fixed update of exchange rates
Fixed input string conversion

- 0.5
Added button to copy results
Added option to write results in input line edit
Added notifications when applet is in panel
Better integration in panel
Various improvements

- 0.4
Plasmoid can be moved to panel
Added possibility to copy results to clipboard

- 0.3.1
Compatibility with KDE 4.2
Added icon

- 0.3
Added currency conversion
Changed aspect ratio
Minor changes

- 0.2
Improved formatting of the result
Added more options

- 0.1
Initial version




LicenseGPL
Source(sources)
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 Mandriva 2009.1

 
 by dglent on: May 4 2009
 
Score 50%

rpm for Mandriva 2009.1
http://www.mediafire.com/file/ehoid4lmlzz/plasma-applet-qalculate-0.3.1-1mdv2009.1.i586.rpm


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 Re: Mandriva 2009.1

 
 by dglent on: May 27 2009
 
Score 50%

update
http://www.mediafire.com/file/winjt2nymzy/plasma-applet-qalculate-0.4-1mdv2009.1.i586.rpm


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.

 Failed to compile

 
 by ofir on: May 19 2009
 
Score 50%

I can't compile this plasmoid under Kubuntu 9.04 with KDE 4.2.

I get:
Quote:

cmake -DCMAKE_INSTALL_PREFIX=$KDEDIRS ..
CMake Error at /usr/share/cmake-2.6/Modules/FindKDE4.cmake:84 (MESSAGE):
ERROR: cmake/modules/FindKDE4Internal.cmake not found in
/home/user/.kde/share/apps;/usr/share/kubuntu-default-settings/kde4-profile/default/share/apps;/usr/share/kde4/apps
Call Stack (most recent call first):
CMakeLists.txt:7 (find_package)


CMake Warning (dev) in CMakeLists.txt:
No cmake_minimum_required command is present. A line of code such as

cmake_minimum_required(VERSION 2.6)

should be added at the top of the file. The version specified may be lower
if you wish to support older CMake versions for this project. For more
information run "cmake --help-policy CMP0000".
This warning is for project developers. Use -Wno-dev to suppress it.

-- Configuring incomplete, errors occurred!



Is there any deb?

End-users don't know how to compile code...


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.

 Re: Failed to compile

 
 by ofir on: May 24 2009
 
Score 50%

Someone please package it as a deb.

It will really help!


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 Re: Re: Failed to compile

 
 by matteo81 on: May 27 2009
 
Score 50%

Have a look at this PPA repository:
https://launchpad.net/~samrog131/+archive/ppa. It contains an updated package for this plasmoid (I haven't tested it though).


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 Re: Re: Re: Failed to compile

 
 by ofir on: May 28 2009
 
Score 50%

Thanks! it works.


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 Units

 
 by arekfu on: Jul 8 2009
 
Score 50%

This application looks great, but I can't figure out how to use units. Should I do anything special? If I type e.g. 1 MeV, it is interpreted as 2.718281828 M V.


Davide
Reply to this

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 Re: Units

 
 by matteo81 on: Jul 11 2009
 
Score 50%

Actually I am not able to reproduce this. If I type 1 MeV I get approx. 160 fJ which is the correct result. Keep in mind that the default behavior is to convert to best (usually SI) units, but you can disable this in the plasmoid settings.

Ciao,
Matteo


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 Re: Re: Units

 
 by arekfu on: Jul 13 2009
 
Score 50%

It works properly on my home computer (Debian unstable), but it doesn't on my laptop (Debian testing). Still, I am using the same version of libqalculate (0.9.6-3) and many other libraries. The only differences come from libc6 and some of the Qt libs.


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 Re: Re: Re: Units

 
 by matteo81 on: Jul 13 2009
 
Score 50%

I am not sure what is the problem then. Could you please try to use the "qalc" command-line application (which uses the same library) and check if the output is the same on the different systems?


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 Re: Re: Re: Re: Units

 
 by arekfu on: Jul 13 2009
 
Score 50%

Qalc correctly recognizes 1 MeV as 1 megaelectron_volt. Interestingly, if I type "1 megaelectron_volt" in the plasmoid, I get 160.2177 fJ (the correct answer).


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 Re: Re: Re: Re: Re: Units

 
 by matteo81 on: Jul 14 2009
 
Score 50%

I have tried several settings on two different computers but I couldn't reproduce this bug. The only way to get something similar to your case is if I introduce a space between the 'e' and the 'V'.

The problem could be in the conversion from QString (read from the input) to a char array (needed by libqalculate). I'll try to change this in the next version.


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 Re: Re: Re: Re: Re: Units

 
 by matteo81 on: Jul 16 2009
 
Score 50%

I hope this is fixed in the latest version (0.5.1). Please let me know if it works now.


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 Re: Re: Re: Re: Re: Re: Units

 
 by arekfu on: Jul 20 2009
 
Score 50%

It works. Thanks for the fix!



-

 mandriva rpm

 
 by dglent on: Jul 12 2009
 
Score 50%

i586 rpm http://www.mandrivalinux.gr/rpm/2009.1/i586/plasma-applet-qalculate-0.5-1mdv2009.1.i586.rpm


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 Nice

 
 by dovidhalevi on: Jul 13 2009
 
Score 50%

Runs nicely, very versatile and flexible type-in format (except that for currency conversion, easily typed substitutes for stuff like Euro symbols are needed, even if they be a few characters).

On the panel, it puts up the answer box at the top of the screen. There is a function to get a "preferred" position above the panel-applet rather than up on top. Member of the plasma::applet class (this needs be used after applet is visible!).

Since I have little room on the panel, I put it on a corner of the desktop. From here, I get NO answer box (might be due to incorrect call to same function).

I can, of course, choose to put results in the textbox itself. Either way, a history dropdown might be a nice addition.

That clipboard? symbol under the textbox (shown on desktop only), is annoying. I might place two small buttons to the right of the textbox, the customary dropdown history (stock object) and clipboard-save.


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 Re: Nice

 
 by matteo81 on: Jul 13 2009
 
Score 50%

Thanks for your comment. Regarding your points:

- for some currencies you can type the symbol (e.g. $,£,€) instead of the three-characters substitutes

- when the applet is in the panel, it should use the KNotification system to display the results, so you shouldn't experience problems. Anyway there is an annoying bug at the moment: do not move the applet from the desktop to the panel, otherwise you will not get the correct behavior. Add the applet directly in the panel! I will try to fix this bug in future versions

- I agree that a history dropdown would be a nice addition. I will add it in future versions


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 Re: Re: Nice

 
 by dovidhalevi on: Jul 13 2009
 
Score 50%

What are the three-character codes for currencies? USD, EUR, are obvious. NIS for New Israeli Shekel--I need those. The only symbol on my keyboard is $. If I enter $1=EUR, I get 0.

Maybe open a textbox at the "preferred" location rather than use knotify. This will work in both places and avoids an often annoying buggy operation and extraneous noises.


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 Re: Re: Re: Nice

 
 by matteo81 on: Jul 14 2009
 
Score 50%

The complete list of the supported currencies is here: http://www.ecb.int/stats/exchange/eurofxref/html/index.en.html.

To convert you have to use this syntax: "10 USD to EUR" or "15 EUR to GBP" ...


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 Re: Re: Nice

 
 by dovidhalevi on: Jul 14 2009
 
Score 50%

Does not work. Get stuff like:
"D" "U" S

Am I missing a dataengine?


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 Re: Re: Re: Nice

 
 by matteo81 on: Jul 15 2009
 
Score 50%

No, I think this is a bug and I have probably found the reason. I will fix it in the next version.


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 Re: Re: Nice

 
 by dovidhalevi on: Jul 15 2009
 
Score 50%

Thanks.

Strange that Israel currencies are not there. How might one request their inclusion?

Looking forward to the next version.



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 Re: Re: Re: Nice

 
 by matteo81 on: Jul 16 2009
 
Score 50%

It should be fixed in latest version (0.5.1). I don't know how to use additional currencies. You should contact the author of the Qalculate! library.


Reply to this

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 compiling on ubuntu

 
 by cician on: Aug 24 2009
 
Score 50%

packages needed to compile on ubuntu:
sudo apt-get install build-essential cmake kdelibs5-dev


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Do you like or dislike Ubuntu Unity?
 Yes, unity is alien technology!
 It is less confusing than Gnome 3 default, shell.
 Granny thinks it is much more usable than Gnome 2
 Canonical is embarrasing itself with this split project
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