If I press the calculator button in my keyboard, the gnome calculator app doesn't appear. I have double checked that the shortcut is ok in the settings app keyboard bindings config pane.
I found that installing the calculator app via apt instead of snap (the default in 18.04) fixed this issue:
sudo snap remove gnome-calculator
sudo apt install gnome-calculator
This has the added benefit of making the calculator launch instantaneously again.
The cause of the problem is a bug in the gnome-settings-daemon package, which has been fixed in Ubuntu 18.10 and above. The workaround above remains necessary in 18.04, however.
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1Great! It also solved the complete transparency window by having enabled Communitheme! – razor7 May 7 '18 at 11:50
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9How could they possible break the Calculator ? Of all things that may be broken this one should always work on any OS, no matter what... Imagine being a new person to (Ubuntu) Linux and finding that your calculator simply does not work with no error. – Flatron Sep 10 '18 at 7:44
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@Flatron: there are even more basic things that they broke in Ubuntu 18. – Dan Dascalescu Jan 2 '19 at 6:43
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You can remove the default shortcut for "Launch Calculator"...
and instead add a custom shortcut to run gnome-calculator, and assign the Calculator key to it:
answered Jan 2 '19 at 6:47
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In my case shortcut button doesn't respond when I press calculator button. This doesn't also respond when I try to bind already defined shortcut – Herrgott Sep 3 '19 at 9:31
