Questions related to the Mathematica front-end (graphical user interface).

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20
votes
1answer
1k views

Mathematica 10.1.0.0 (OS X) high CPU usage even for empty notebook

Bug fixed in 10.1.0 (see answer for details) Since update to 10.1.0.0 Mathematica has a high CPU usage even when no evaluation is running (even for empty notebook opened). I am running OS X ...
20
votes
1answer
230 views

How to format usage messages such that function templates are parsed correctly?

Is it possible to format usage messages (with italic arguments etc) such that Mathematica 9 still parses function templates correctly? For example, plain usage messages work when pressing ...
19
votes
2answers
666 views

What is the FrontEnd?

Can anyone sort out what the Front-End is, how it is structured and what its relationship to the Kernel is. The FrontEnd is mentioned quite often but elusively avoids to be caught and clearly defined. ...
19
votes
2answers
718 views

Is it possible to Print expressions in reverse order?

Let's say I'm debugging a program step by step and want to Print some expressions (using ShowIt, for example). Is there a way to output the result of ...
19
votes
1answer
279 views

Is there a way to make the “Details” section of the documentation expand by default?

By default, the Mathematica documentation opens with the "Details" section collapsed. This is never what I'm looking for — in fact, I've lost count of the times I've sought help on a feature and ...
18
votes
3answers
568 views

How can I get the unchanged Box form of an arbitrary expression?

One may observe that MakeBoxes does not give the actual Box form of various expressions: MakeBoxes[{1*^4, 000123, a*b c}] ...
18
votes
4answers
787 views

How can I make an InputField with a proper newline/carriage return?

The return key does not work as expected in an InputField, how can I overcome this?
18
votes
2answers
4k views

Fontsize is too small

I have this annoyance for a long time now: every Text cell uses the default font size, though it appears too small on my screen. See comparison of same text, same font (Times New Roman), same fontsize ...
18
votes
2answers
7k views

Delete the current notebook cell using the keyboard

Is there another way than pressing Ctrl+. until the whole cell is selected and then pressing Del? If this is not built in, can I create some sort of a global macro to do this and bind it to a ...
18
votes
2answers
284 views

Understanding evaluation and typesetting

Background So, one could be surprised by the fact that: Hold @ Grid[{{1, 2}}] (*or*) Hold @ Graphics @ Disk[] This issue and methods of prevention are ...
18
votes
1answer
296 views

Color degrades when using Copy As Bitmap

I have discovered a problem that affects my use of Mathematica. When I use the menu command Edit > Copy As > Bitmap the colors in the copy are subtly degraded. To make this more apparent I copied ...
18
votes
2answers
345 views

Non-english spell check dictionaries for Mathematica?

I've spent a fair amount of time bending Mathematica for taking notes and I've been very happy with it, the only missing piece it seems is a nice spell check dictionary for Polish (my mother ...
17
votes
3answers
347 views

Is there a way to require confirmation for execution of certain cells?

Often I have Notebooks where I generate several images and export them into files. Now when I want to change one image, I'd like to just re-evaluate the complete notebook, however I generally do not ...
17
votes
2answers
411 views

MathKernel doesn't return all Messages

In Mathematica I run this command: Plot[Sin[x], {x, 1, 15}, GridLines -> error] It generates a Plot with this error message: A GridLines specification ...
17
votes
2answers
435 views

Obtaining the number in CounterBox

Is there a way of obtaining the current number of a counterbox? Say for instance that in a new notebook you create 3 section cells. Then by evaluating the command: ...
17
votes
1answer
296 views

What options and settings can be used to create print quality typeset documents with Mathematica?

If I am proficient on dedicated typesetting software (e.g. LaTeX) it makes sense to use that for typesetting but if I am not how can I use Mathematica to create good quality documents. The question ...
17
votes
3answers
1k views

How to set focus of a dialog window?

I have a dialog, which, when pops up, requests input from the user. How can I set the window up that the focus is on the InputField of the new window (i.e. the ...
17
votes
2answers
1k views

Changing default window appearance

Since every single time I start Mathematica, my first action is aligning the windows properly (Notebook on the left for $2/3$ of the screen, help on the right for the other $1/3$), I was wondering ...
17
votes
2answers
736 views

Custom Mathematica Shortcut: Copy as $\LaTeX$

If you edit the Wolfram Research\Mathematica\8.0\SystemFiles\FrontEnd\TextResources\Windows\MenuSetup.tr file you can make Ctrl+Shift+C copy not plain but in ...
17
votes
1answer
724 views

Best way to add KeyEvents and faster Quit

Many users have asked how to add KeyEvents to speed/improve keyboard input. This is just a random example. The technique is always the same. It requires that you ...
17
votes
1answer
721 views

How to work with characters from CJK Unified Ideographs Extension B correctly?

Background: Recently I'm trying to deal with some Chinese characters which belongs to the CJK Unified Ideographs Extension B block. The motive comes from some further interest following a former ...
17
votes
0answers
178 views

Front ends gone wild with named slots

Bug introduced in version 10, persisting through 10.3 Assume the following simple expression {#"Test"}& Now go in front of the ...
16
votes
5answers
1k views

Using DynamicModule variables outside the DynamicModule

Take the following example for hiding/showing a notebook through a Checkbox: ...
16
votes
3answers
1k views

WYSIWYG table creating and editing

In Microsoft Office OneNote 2010, creating and editing tables is easy. There are simple toolbar controls for creating tables: , and editing them once they exist: . My question is, what's an easy ...
16
votes
4answers
447 views

Prevent graphics render inside held expression

Assuming each odd line is input I would like the even lines to be the output of the following lines. In the above the Graphics are inside ...
16
votes
2answers
1k views

How to make a parallel auto-generated .m package from Initialization cells?

according to the documentation at ref/InitializationCell, When you first save a notebook that contains initialization cells, you have the option to make a ...
16
votes
3answers
3k views

Collapse a section of a huge function

Is there an elegant way of hiding/collapsing/folding only a portion of a function? If functions could span multiple cells, this would have been straight-forward!
16
votes
2answers
427 views

Automatically close Mathematica

It seems there are a lot of related topics but I haven't found an answer. I want to automatically quit Mathematica after some procedures are done but dialog window appears: ...
16
votes
2answers
1k views

How can I change the keyboard shortcut for switching the active window?

The default keyboard shortcut (on Windows at least) for switching focus to the next window is Ctrl+F6, and for switching to the previous windows it's Shift+Ctrl+F6. How can I change this to Ctrl+Tab ...
16
votes
2answers
459 views

Are later versions of the Front-End compatible with older Kernels?

At my graduate school, all of the clusters still use version-6, and I only have version-7 and version-8 installed on my computer. I would like to use those machines remotely. Are either of the ...
16
votes
1answer
250 views

Running some code every time a new notebook is opened

Is it possible to automatically execute some code every time a new notebook is opened? So for example I would like to print a message "New notebook" every time a new notebook is opened. This ...
16
votes
2answers
266 views

What is the complete sequence of evaluations/transformations from submitting a cell to actual evaluation?

This question is inspired by that one. Reading it, I noticed that while (I think) I know what happens when entering an expression directly to the kernel (i.e. after typing ...
16
votes
1answer
671 views

How to Print to the Console

Background: Using the settings under Edit-> Preferences->Evaluation I can redirect all the Print statments to the console. What I'd really like to do is redirect just some specific ...
16
votes
1answer
209 views

Prompt a set of possible options

Recent versions of Mathematica dynamically prompt a list of possible options. For example, when typing Plot[x, {x,0,1}, PlotStyle-> After typing the arrow, ...
16
votes
1answer
674 views

Can the position of Tooltips be changed?

Is it possible to change the position of tool tips, which currently always appear to the lower right of the mouse position. In the screen grab below the mouse is over 10000000 and the tooltip appears ...
16
votes
1answer
562 views

How to add named characters to Mathematica 10?

It appears that native support for the Klingon alphabet has been removed from version 10: \[KlingonA] Syntax::tsntxi: "\"!(\[ KlingonA])\" is incomplete; ...
15
votes
2answers
361 views

Automatically execute command after save

I want to run some code automatically after saving my notebook. Is there a $ variable or setting for this?
15
votes
3answers
558 views

Defining symbol shortcuts in the Front End

I was wondering (because I could not find any documentation on this) if it is possible to do shorthand abbreviations for domains or could one define them? E.g. In[1]:= Element[p,Complexes] ...
15
votes
2answers
301 views

How can I access a variable in one evaluator from another evaluator?

I have two notebooks, each with a different kernel. Is there a way to grab the value of a variable in KernelA from KernelB?
15
votes
2answers
787 views

Command Completion

Note: As of version 9, this functionality is available and works out of the box. I've a few questions about Command Completion in Mathematica. I recently discovered this feature, and it's really ...
15
votes
2answers
2k views

Failure to export graphics by right-click when Notebook magnification is changed

Bug introduced in 9.0.1 or earlier and persisting through 10.4.1 or later When I try to export graphics as PNG, JPG and other rasterized formats using the right-click and choosing ...
15
votes
1answer
482 views

What is Sub Mathematica?

When looking at the locally available licenses, I see four entries: "Mathematica", "MathKernel", "Sub Mathematica" and "Sub Mathkernel". Now "Mathematica", "MathKernel" and "Sub Mathkernel" are clear, ...
15
votes
3answers
751 views

How to convert between various ItemSize/ImageSize units?

How can one convert between the implicit units used by Grid (ems and line height for horizontal and vertical dimensions) and printers points (in ...
15
votes
1answer
277 views

Why is SparseArray and InterpolationFunction always grayed out?

In the front end of Mathematica version 10, a new feature was implemented which dims output cells that no longer correspond to its input cells. So when you type ...
15
votes
1answer
295 views

Are formal characters like \[FormalA] to be used differently than other symbols?

I noticed that Mathematica has a set of special 'Formal' characters such as \[FormalA], \[FormalB] , etc.. In the front end, it ...
15
votes
2answers
748 views

How to replace the style of the inline cell in a StyleSheet

I would like to change a StyleSheet in such a way that any text that is typed into the inline cell (the one created by Ctrl+9) is shown in a different font (e.g. the font of my choice). At present I ...
15
votes
1answer
618 views

Creating a cross referencing shortcut

I believe I have gather all the pieces of information I need to create what I want but yet I cannot make the connection. Let me start with the goal. Simple Cross referencing Let us start by creating ...
15
votes
1answer
387 views

What is the complete list of valid FrontEnd Packet types?

In response to my question How can I get the unchanged Box form of an arbitrary expression? John Fultz answered with a method using the hilariously named ...
15
votes
1answer
295 views

How do I programmatically add to contextual menus?

To programmatically add to menus you can do as described here: How do I add to menus? What can I do to programmatically add to contextual menus? Is something similar to ...
15
votes
2answers
395 views

Auto-completion doesn't work as my expectation in version 9.0

When I input the following line in version 8, and press Ctrl+K after Re, I can get a drop-down auto-completion list including ...