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 ...
Ravexina's user avatar
  • 55.7k
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.
Zygmunt Krynicki's user avatar
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 ...
jpa's user avatar
  • 1,200
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 ...
Graipher's user avatar
  • 1,006
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 ...
Terrance's user avatar
  • 41.7k
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 ...
Esteban Richmond Salazar's user avatar
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 ...
David Warnke's user avatar
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
Byte Commander's user avatar
  • 108k
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
ducvd's user avatar
  • 99
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 ...
Hastig Zusammenstellen's user avatar
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 ...
DK Bose's user avatar
  • 42.6k
5 votes
Accepted

Inverse Sine, Cosine, and Tangent on Ubuntu Calculator

You can use the Inverse (x-1) button:
steeldriver's user avatar
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 &...
graham's user avatar
  • 10.5k
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 ...
pomsky's user avatar
  • 68.6k
4 votes
Accepted

pi on Ubuntu Calculator?

It's there. And here it is in your Question's screenshot:
user535733's user avatar
  • 62.4k
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
Ritam Chakraborty's user avatar
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 ...
sudodus's user avatar
  • 46.4k
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-...
River Satya's user avatar
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 ...
steeldriver's user avatar
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" ...
John Carter's user avatar
2 votes

How to launch the Calculator through Terminal

You can try the command below xcalc
yonatan's user avatar
  • 21
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 ...
user2180794's user avatar
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:/...
Kristopher Ives's user avatar
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 ...
David Planella's user avatar
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, ...
Infiltrator's user avatar
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 ...
Liso's user avatar
  • 15.4k
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. ...
sudodus's user avatar
  • 46.4k
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
Matthias Braun's user avatar
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 ...
WinEunuuchs2Unix's user avatar

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