Questions tagged [calculator]

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pi on Ubuntu Calculator?

Is there a way to get the value pi on the Ubuntu Calculator? I hoped this would work but as you can see it does not: Of course I can type in 3.14159 and in > 99% of cases that will be accurate ...
cdahms's user avatar
  • 1,703
0 votes
0 answers
59 views

how to enable calculator launcher key in Ubuntu 20.04

After several years on Ubuntu 20.04 LTS I replaced my Logitech K800 keyboard when the space bar and the period keys quit working. I installed a Logitech "MX Keys Combo for Business|Gen2" ...
EJE's user avatar
  • 11
3 votes
0 answers
105 views

Calculator with human readable notation, when it fits

I am using Galculator 2.1.4, a scientific calculator that came with Lubuntu (with LXQt desktop). Galculator shows small numbers in decimal scientific notation (1e-05) which I don't like. For numbers ...
hennep's user avatar
  • 175
0 votes
2 answers
718 views

KSH syntax error: invalid arithmetic operator (error token is ".111111111 -2.55555")

I have the following example, and I cannot see why. line 48: 15.111111111 -2.55555: syntax error: invalid arithmetic operator (error token is ".111111111 -2.55555") This is my source in ...
cornelia's user avatar
0 votes
2 answers
394 views

GUI statistics calculator (binomial coefficient etc)?

I would have expected this to be easy to find. But, no Ubuntu calculator applications seem to have binomial coefficient function built in. I know I can just do the formula each time with factorial. ...
user3038404's user avatar
0 votes
0 answers
146 views

Ubuntu 20.04 Calculator customization

Is there any way so we can customize (adding direct buttons i.e calculating any function) in Ubuntu 20.04 calculator?
Gaurav Lodhi's user avatar
0 votes
1 answer
141 views

shortcut "calc" meant to open calculator always open libreoffice ( first position in search )

When I search for an app with the windows keyboard key, I enter calc to open calculator, and I always have 2 results, LibreOffice, and Calculator. LibreOffice is always first, and I always open ...
Juliatzin del Toro's user avatar
1 vote
1 answer
313 views

How to open calcultor app? [duplicate]

When I clicked to open calculator app then for few seconds it is keep on loading. Then automatically it closes.
Abhinav Shukla's user avatar
5 votes
1 answer
1k views

How do I get the calculator button on my Microsoft Keyboard to work in Kubuntu 18.04?

So I have tried looking through the shortcuts menu and I tried installing the Gnome Calculator and I still can't get it to work. I'm new to Kubuntu and I'm still learning how it works. Any help would ...
John's user avatar
  • 59
1 vote
0 answers
175 views

Calculator (Qalculate) doesn't show up on Ubuntu 18

I was not happy with the default calculator application as it didnt show up on any of my screen, so I uninstalled it. Checking other apps I installed Qalculate which requires permission to have access ...
Zenit's user avatar
  • 193
0 votes
1 answer
689 views

Basic GUI calcutor for Ubuntu

I am asking a question here that seems to be ridiculous. I'm just letting everyone know I am aware of this is advance. (How does Ubuntu not come with a functional calculator???) For Ubuntu 16.04. ...
Arwen's user avatar
  • 23
1 vote
2 answers
989 views

How to put the default calculator into radian mode?

I am trying to do calculus. Is there a way to put the default calculator into radian mode? I can't find anything about it.
LuminousNutria's user avatar
1 vote
0 answers
32 views

How to use non-square roots on the Default Calculator in advanced mode without exponents? [duplicate]

I can't seem to figure out how to input a root that isn't square in Ubuntu's default calculator. I know I can input 4^(1 / 3) but I'd prefer to input them in a more.. "natural" way. (I can't think of ...
LuminousNutria's user avatar
1 vote
0 answers
547 views

How to fix Gnome Calculator missing +/- button?

did someone faced really weird (and maybe funny) problem with gnome Calculator 3.30.1 on Ubuntu 18.10? It is missing [+/-] button in all modes so there is no way to use negative numbers... Is there ...
mirec's user avatar
  • 354
28 votes
3 answers
39k views

Powerful GUI Calculator for Linux?

What is a good graphical Calculator Application for Linux?
balaji 's user avatar
  • 549
6 votes
4 answers
3k views

How can I get multiple instances of GNOME Calculator at same time?

I need multiple calculators at the same time. But when I click on the calculator icon it just refers to the one that is already opened. How can I do this in Ubuntu 18.04?
rmetra's user avatar
  • 75
3 votes
1 answer
2k views

command to convert currency in Ubuntu server using gcalccmd

Is it I can use gcalccmd in Ubuntu server as how I use in terminal of my Ubuntu Desktop? If yes, can I convert currency using command as I do with gnome-terminal in financal mode If yes, what is ...
fulltimecoder's user avatar
7 votes
3 answers
2k views

How to add calculations to the gnome search bar?

I was using Gnome on PureOS for a month or so, but now I'm back on Ubuntu 18.04. The thing I loved in PureOS is that I could do calculations in the Gnome search bar. But when I type any calculations (...
kramer65's user avatar
  • 2,123
-1 votes
1 answer
913 views

How do I solve mathematical expressions in a file from the terminal? [duplicate]

I have created a file that contains arithmetic expressions, one per line. How can I evaluate the expressions and display the results, from the command line? The file looks like this: 1 + 2 6 * 4 97 %...
Ktgvb's user avatar
  • 77
4 votes
1 answer
3k views

Inverse Sine, Cosine, and Tangent on Ubuntu Calculator

I am studying Physics, and I need a calculator that has Sine, Cosine, and Tangent. Ubuntu Calculator(gnome-calculator) is a pretty good choice for me because it has all kinds of capabilities. But ...
WhatsYourIdea's user avatar
0 votes
1 answer
62 views

Program requires a folder data to execute

The program GATE_calc requires the contents of folder Calc. I have succeeded in adding the path of the executable GATE_calc so that i may execute the program directly from terminal. I have two ...
praphult's user avatar
1 vote
1 answer
148 views

Why does the window title say "gnome-calculator" and not Calculator?

I found the following inconsistency with gnome-calculator 3.22.0 on Ubuntu 16.10. Why does the window title not say "Calculator" as in the top bar?
orschiro's user avatar
  • 13.1k
0 votes
1 answer
79 views

Easy Copy Dash Calculation Result

I am using the Unity Dash calc: command to do quick calculations, as Id rather do this than open up Chrome and ask Google. However, I cant copy the result, I still have to open up the calculator ...
Todd's user avatar
  • 391
1 vote
1 answer
1k views

Enable the calculator mode button [duplicate]

I'd like to use advance mode and programming mode in calculator. but it is not showing mode option button in 16.04 ubuntu. How to enable the calculator mode button.
Naresh S Nash's user avatar
34 votes
4 answers
56k views

How to start a snap package

I have read some tutorials about Snapcraft and snappy and I am really excited about it. I am using 16.04 and used snap find to find and install the ubuntu-calculator-app snap. But I don't know how to ...
Alejandro Vera's user avatar
6 votes
1 answer
1k views

How to show comma separation in numbers on Ubuntu's calculator?

How to enable comma separation of integers in Ubuntu's default calculator? By default the calculator doesn't separate every three digits so looking at the difference between large integers is ...
Hastig Zusammenstellen's user avatar
0 votes
2 answers
437 views

A cli calculator that recognizes wrong math syntax?

I'm looking for a way to do quick calculations in the terminal (using utilities available in Ubuntu minimal) and get accurate fail errors when the math syntax is incorrect, eg: cli-calculator "foo+bar"...
Javier López's user avatar
15 votes
5 answers
12k views

Can I convert hex to decimal using the calculator app?

How can we convert a hexadecimal value into decimal by using calculator (I know by using general formula we can do ,but is there any short key or button to do this)? (I tried but didn't found any ...
Rahul_cs12's user avatar
2 votes
1 answer
137 views

Just update to 14.04 and calculator mssing the mode button

When I used the calculator from 12.04, it was very nice and I can switch mode. But after upgrade to 14.04, somehow the mode button is missing in calculator, just a simple decimal calculator, please ...
bigben's user avatar
  • 23
0 votes
1 answer
292 views

Is there a calculator which supports arbitrary precision?

I have got the standard gnome-calculator installed, but as I am dealing with rather large numbers at the moment, I need something more powerful which can actually deal with them without falling over. ...
user avatar
38 votes
6 answers
102k views

How to launch the Calculator through Terminal

I use the default Ubuntu calculator rather a lot, but to use it I have to use the Unity search feature to find it and then open it. I have tried to open it in Terminal with: calculator And: ...
user avatar
10 votes
2 answers
4k views

How is a cubic root done in gnome-calculator?

I don't know which buttons I have to click or what key combination to type to calculate a cube root.
Cristian Mir Tienda's user avatar
0 votes
1 answer
187 views

Calculator. Can't set floats in base of logarithms (malformed expression at token "..")

Please see the screenshot, I think it is quite self-explained ) I use [Alt] to type the base, I think "," must be subscript. However it doesn't look like.. What do I wrong?!
Timur Fayzrakhmanov's user avatar
1 vote
1 answer
8k views

calculator for programmer [duplicate]

I've launched the calculator in my Ubuntu V14.04. I must do some hexadecimal calculations. But I don't know how to switch from the standard calculator to calculator for programmers? Any advise is very ...
Erhard's user avatar
  • 11
6 votes
4 answers
1k views

Quick simple mathematics calculations [duplicate]

I know the program launchy from Windows (and it is also available in Ubuntu) in which I can simply enter 100/9.14 and get the result without opening a calculator. But I don't want to install the whole ...
wasp256's user avatar
  • 787
8 votes
2 answers
4k views

Ubuntu calculator in dash

I want to install the calculator in Dash in Ubuntu 14.04, I installed unity-scope-calculator, but still nothing, I read I can do calc: 3 + 5, but I want this to happen automatically when I do 3 + 5, ...
shoham's user avatar
  • 235
2 votes
1 answer
4k views

Casio fx-9750GII calculator file transfer

I've got a Casio fx-9750GII calculator, which has a USB connection. When I connect it to my computer the system does not mount it as a storage device. When I run lsusb this is the output: root@...
oierlauzi's user avatar
1 vote
1 answer
669 views

Ubuntu 14.04 does not allow changing default calculator?

I created a custom shortcut in Keyboard->Shortcuts and set it opens qalculator app. Then I assigned to it the keyboard Calculator key. Ubuntu asked me if I want to replace the original app and I ...
ubuntico's user avatar
  • 2,792
8 votes
2 answers
3k views

How to permanently enable in-dash calculator in 13.10

In previous versions of Ubuntu, I used a calculator scope from some PPA. It was very nice, worked snappily and generally behaved like calc. 13.10 has it's own calculator, which can be used, but it ...
wizzor's user avatar
  • 81
0 votes
1 answer
107 views

Getting an error while installing calculator lens

This is the error I get every time I try installing calculator lens yash@yash-desktop:~$ sudo add-apt-repository ppa:scopes-packagers/ppa [sudo] password for yash: Sorry, try again. [sudo] password ...
Yash Pankhania's user avatar
130 votes
25 answers
85k views

Any command line calculator for Ubuntu?

I am looking for a calculator which can do calculations in the terminal itself, without any other extra prefixes and suffixes. For example: If I typed something like 10000-9000 in the terminal, the ...
Raja G's user avatar
  • 101k
1 vote
2 answers
597 views

How to get a 'non-Screenlet' calculator in Compiz widget layer?

I've currently set up the screenlet calculator but do not want to use it, as 1) Screenlets are no longer in development, most do not work, and I intend to slowly migrate away from them. 2) The ...
user avatar
6 votes
7 answers
36k views

Can I use fractions/decimals in a bash script?

Is there a certain syntax to use while using fractions or decimals in a bash script? I tried using the following script (in Ubuntu 12.04): #!/bin/bash { n=9 echo "$n" for (( i=.5; $i <10; i++ )); ...
user207701's user avatar
3 votes
1 answer
3k views

How to use arithmetic expressions in the terminal?

Why I'm getting the following weird results? echo &((5/3)) [5] 6733 [4] Done echo echo &(( 2 + 9 )) [6] 6734 [5] Done echo echo &(( 3 + 99 )) [...
pogi's user avatar
  • 33
0 votes
1 answer
224 views

What is 'calculator' package?

Whenever I am updating, calculator always needs updating. I don't know what it is. Can someone please let me know what this is? It also shows up when I search in the dash, but it will not launch.
user112224's user avatar
2 votes
1 answer
2k views

Why are zombie processes being created upon boot? [duplicate]

Ubuntu 13.04. Recently zombies have started appearing. My processes are: PROCESS CPU INFORMATION chrome 65% Surf the web calculator 10% Calculate ...
horIzoN's user avatar
  • 1,086
10 votes
4 answers
6k views

How to connect a "calculator" button on a keyboard with a call of a calculator?

I have a calculator button on my keyboard. Under Windows it starts Windows calculator. But under Xubuntu (but with kubuntu-desktop) it starts nothing, it is inactive. To start a calculator I have to ...
Green's user avatar
  • 1,080
0 votes
1 answer
4k views

Decimal point from number pad won't work on the calculator but will everywhere else

When I'm using the calculator under accessories on the Linux system, I have a number pad to the side of my keyboard I use most frequently and the decimal point will not work from the number pad on the ...
jpade06's user avatar
13 votes
1 answer
9k views

Change decimal mark in calculator

In Germany we use , as decimal mark instead of .. Since I installed my Ubuntu in English, the Ubuntu default calculator (gcalctool) uses the . and I can't use the , on my German numpad. I already set ...
André Stannek's user avatar
4 votes
1 answer
15k views

How do I use the 'scientific' mode in the Calculator?

I am trying configure the Calculator to do some binary to hexadecimal conversions but I can't seem to get to scientific mode. Please can someone tell me how I configure?
bosra's user avatar
  • 161