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12
votes
2answers
494 views

Why aren't parentheses ( ) an expression in Mathematica?

Why aren't parentheses ( ) an expression in Mathematica? Can I get an expression in a form where parentheses are represented by an expression?
3
votes
0answers
28 views

Cursor Automatically Placed in InputField [duplicate]

When creating a DialogInput box with an input field, I'd like the created box to have the cursor already active in that box. That way one only has to type the input, not 1) click in the box then 2) ...
2
votes
1answer
112 views

Function equal to Ctrl+Shift+I [duplicate]

No, it's not InputForm. Consider this example: ...
3
votes
2answers
141 views

Explicit digit-count (precision) of real number

I'm trying to do something which seems like it should be simpler than it is (at least in my attempts at it). I have some code where I read in a list of numbers generated for me by a coworker. These ...
1
vote
0answers
45 views

How to stop font resize of input?

How do you stop Mathematica from resizing the input font when entering formulas with fractions and such? When I enter a formula with a few fractions the text becomes microscopic. For example: ...
5
votes
2answers
92 views

How to write Mma notebook input that modifies itself?

Is there a straightforward way to reference and modify a cell from within itself? This is a little outside the ordinary use case and certainly not good practice, but I would like to execute an input ...
2
votes
1answer
90 views

Typing (and executing) expressions with multiple superscripts

I am trying to type (and evaluate) expressions of the following form: $$ G^{a,b} $$ into a mathematica. I've tried the obvious G^(a, b) or ...
3
votes
1answer
116 views

Operator-Input Form for Lists?

The documentation on Operator-Input Forms shows the following example which suggests that there is an alternative, convenient, operator-style, tidy technique for inputting lists. However, there is ...
9
votes
2answers
164 views

Backslash commands in strings?

I discovered by playing around that Text[DisplayForm@SubscriptBox["\[Lambda]", "k"]] produces the same result as ...