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0answers
2 views

How to connect to a Casio fx-9750GII calculator

I've got a Casio fx-9750GII calculator, wich has a USB Conection. When I conect it to my computer the system does not mount it as a storage device. When I run lsusb this is the return: ...
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1answer
48 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 ...
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0answers
48 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 ...
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votes
22answers
8k 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 ...
0
votes
0answers
9 views

Is there a subtotaling feature hidden in the Calculate program?

Is there a subtotaling function hidden in the Calculate program? Supposedly there is a facility for assigning values to variables, which would provide that functionality, but I can't find that ...
7
votes
2answers
705 views

Syntax for specifying base of logarithm in Calculator

In the Programming mode of gcalctool, you have a log button, which calculates the logarithm, but how do I know what base it's using and how do I change it? For example, how would I calculate the base ...
5
votes
1answer
476 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 ...
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vote
2answers
149 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 ...
3
votes
1answer
160 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 )) ...
0
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1answer
41 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. ...
2
votes
1answer
292 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 ...
4
votes
2answers
575 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 ...
9
votes
1answer
582 views

Keep calculator from opening a new window every time I press the “Calculator” button on the keyboard?

Currently what happens: I press Calculator button on my keyboard, and calculator pops up. No problem there! Next, after my calculation, I click back to the window where I'm inputting the calculation, ...
0
votes
1answer
779 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 ...
3
votes
3answers
247 views

Can calculator show decimal as fraction?

Some calculators can show a decimal as a fraction if applicable. eg. 1.333333 -> 1r1r3 on my calculator (hardware) representing \$1 \frac{1}{3}\$. Can the built in calculator do that? If not which ...
10
votes
5answers
3k views

Command line calculator that keeps fractional values

I just found a good command line calculator program called bc and was satisfied with it until I discovered it rounds off fractional values, thus causing loss in precision. According to its man page: ...
7
votes
1answer
622 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 ...
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vote
1answer
2k 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?
4
votes
4answers
3k views

Where is the calculator from 10.04?

The default calculator from Ubuntu 10.04 was perfect. It was simple, yet powerful. It had memory locations and when you switched between Hexadecimal and Decimal the number in the display changed to ...
5
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2answers
533 views

Command line calc program and PI constant

I am using calc often (from the terminal) and I was wondering if there is a PI constant in there, predefined, somewhere?
0
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1answer
136 views

Openoffice calc - Find out monthly growth based on yearly growth [closed]

I know there is a built-in function for that but can't remember what it is. Let's say I have a number, 10, and over a period of a year that number has increased by 100% to 20. I would like to figure ...
10
votes
3answers
6k views

How can I connect my TI-84 Plus calculator with my laptop?

I want to connect my TI-84 Plus to my Ubuntu 11.04 laptop. I use the organelle cables to connect it. The program tilp(2) didn't work or at least it didn't show my TI-84 Plus; I've tried to run it in ...
6
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1answer
2k views

Why does my calculator automatically open (multiple times) when my computer is idle?

Calculator is opening multiple times automatically during normal operation and while idle.
2
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1answer
2k views

How can I connect to my TI-89 calculator?

I'd like to transfer data to and from my TI-89 Titanium that connects via a USB cable. How can I do this in Ubuntu?