46
votes
Accepted
Powerful GUI Calculator for Linux?
Most famous ones are:
Gnome Calculator
galculator
xcalc
kcalc
They all have basic and scientific modes.
By default Ubuntu comes with "Gnome calculator" unless you are using a specific flavor of ...
35
votes
Accepted
How to start a snap package
Just log out and log back in. If you are upgrading from an earlier version of 16.04 development release you will not have /snap/bin in your PATH environment variable.
34
votes
Powerful GUI Calculator for Linux?
If your calculations involve units, such as with physics or electronics equations, I would recommend Qalculate.
It supports using units in expressions, so you do not have to worry about unit ...
31
votes
Powerful GUI Calculator for Linux?
I am personally a fan of speedcrunch, because it has a decent list of common physical and chemical constants and remembers your history across sessions:
As noted in the comments by @Michael:
[It ...
25
votes
How can I get multiple instances of GNOME Calculator at same time?
My answer here has only been tested in Ubuntu 18.04 with gnome-calculator version 3.28.0 and does not apply to older versions of Ubuntu / gnome-calculator which I don't have access to the app to ...
13
votes
Accepted
How to add calculations to the gnome search bar?
I found this from Built-in calculator to GNOME search window
The pre-installed GNOME Calculator in Ubuntu 18.04 is a snap application which may lack some features provided by the traditional one due ...
11
votes
How to start a snap package
Snaps can be run with snap run, so for the example in the question snap run ubuntu-calculator-app. But that is annoying so it is better to add snaps to your path. If the app is a gui, once you open it ...
10
votes
How do I solve mathematical expressions in a file from the terminal?
You can use bc as calculator, and send your file to it as input:
$ cat maths.txt
1 + 2
6 * 4
97 % 12
43215 / 43 * 100
$ bc < maths.txt
3
24
1
100500
7
votes
Accepted
How can I get multiple instances of GNOME Calculator at same time?
Open a new terminal, then execute the following command
gnome-calculator
6
votes
Accepted
How to show comma separation in numbers on Ubuntu's calculator?
ubuntu 14.04 / calculator 3.10.3 && calculator 3.18.3 - ubuntu 16.04
The solution took me a few minutes too long to find given the simplicity and obviousness of it so here it is in case ...
6
votes
How do I get the calculator button on my Microsoft Keyboard to work in Kubuntu 18.04?
I installed gnome-calculator on Kubuntu 18.04 using sudo apt install gnome-calculator.
Unfortunately, my keyboard has just 101 keys and so I don't have a Calculator key. Instead, I'll use F7 to ...
5
votes
Accepted
5
votes
Accepted
command to convert currency in Ubuntu server using gcalccmd
You can download qalculate from the Ubuntu Software Centre. This application allows you to download current rates and calculate the exchange rate from the command line.
$ sudo apt install qalc
$ qalc
&...
4
votes
How can I get multiple instances of GNOME Calculator at same time?
It seems it's an intentional implementation by the developers. Almost all other applications provide an option to open a new window in the context menu (right-click menu) in Ubuntu dock while an ...
4
votes
Accepted
3
votes
How to start a snap package
Just including the path to the /snap/bin in the local ~/.bashrc works for me.
Run the following
echo "export PATH=$PATH:/snap/bin" >> ~/.bashrc
source ~/.bashrc
3
votes
How to add calculations to the gnome search bar?
It works for me in Ubuntu 17.10 (and Wayland) with double parentheses, which is used also on the command line
$ echo "$((1+2))"
3
So try
((1+2))
See this screenshot,
After an update & upgrade ...
3
votes
How to permanently enable in-dash calculator in 13.10
This bugged me for ages, and I finally found a solution, buried here: https://bugs.launchpad.net/unity-scope-calculator/+bug/1440777
Install dconf-editor sudo apt install dconf-editor
Run it dconf-...
3
votes
Accepted
How to put the default calculator into radian mode?
You can do this by editing the settings in the dconf database - either with the dconf-editor or using gsettings:
gsettings set org.gnome.calculator angle-units 'radians'
You will probably want to ...
3
votes
Accepted
Adding precision to Ubuntu Calculator unit conversion
Yes, you can.
Result:
Open calculator. You will see something like this:
In the top bar, choose "Advanced" instead of "Basic":
Now, to convert length, choose "Length" ...
2
votes
2
votes
How to launch the Calculator through Terminal
I created an alias for this in ~/.bash_aliases as follows
calc="gnome-calculator &"
save the file and then type the following in the terminal
source ~/.bash_aliases
You can now launch the ...
2
votes
Accepted
Why does the window title say "gnome-calculator" and not Calculator?
Might be a regression since in 16.04 it appears to be "Calculator"
This change probably is caused by some kind of localization problems. I checked out the code for gnome-calculator on Github:
https:/...
2
votes
How to start a snap package
Essentially, as Zygmunt was saying. For completeness, the other alternative is to run the app from the command line:
ubuntu-calculator-app.calculator
Check out the documentation on how to get ...
1
vote
How can I get multiple instances of GNOME Calculator at same time?
Press the super key (to bring up the Activities overview), start typing in the name of the application you want until it is selected, then press Ctrl+Enter.
This will work for any application, ...
1
vote
Enable the calculator mode button
As of unity launched, Ubuntu used the Global menu feature that places the menu bar for each application on the bar at the top of the screen. So, if you wish to change anything for an application, you ...
1
vote
A cli calculator that recognizes wrong math syntax?
Octave is another alternative. It is a very powerful free tool with a syntax 'like the commercial tool matlab'. If you want to run it without a gui, use the option --no-gui or the command octave-cli.
...
1
vote
Any command line calculator for Ubuntu?
Genius
When you need something more powerful than bc. For example, Genius lets you perform exponentiation with rational (non-integer) exponents:
genius --exec='81^0.75'
prints
27.0
1
vote
Any command line calculator for Ubuntu?
awk is built in so I created a little wrapper function in my ~/.bashrc function and will use it in future projects. Here's how to use it:
$ a=2.2; b=3.3
$ math c = $a / $b
$ echo $c
0.666667
$ math ...
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