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2
votes
1answer
187 views

How to apply a free-form input Function using InputField

I am trying to take a free-form input Function to create a list using NestList. ...
4
votes
0answers
166 views

Does Mathematica compute free-form-input on Wolfram servers?

I've just started to use Mathematica and I'm using the free-form input a lot. The computation time for simple problems seems to take a lot of time and my CPU isn't really used at all. I first thought ...
2
votes
4answers
149 views

How to limit the argument to binary type in mathematica function

How do I write a function that only takes binary input?
5
votes
1answer
161 views

Using free-form linguistic input in a dynamic input field

I've been playing around with dynamic input fields; here's a basic example, which just consists of an input field where the user can enter a function and then a button that can be clicked to graph the ...
6
votes
1answer
203 views

Under what conditions does FinancialData return a ::notent message?

I tried retrieving FinancialData for a few companies but when I tried doing it for NTDOY, I couldn't. As of 25/12/2012, querying ...
5
votes
1answer
210 views

How to import non-text data from std input in a Mathematica script?

Or maybe a better question is - how can I get a stdin stream? I need to run on Linux. I did look at Reading from STDIN, or: how to pipe data into Mathematica, but ...
2
votes
1answer
182 views

3rd derivative keyboard shortcut

For a long time i've evaluated D[f[t],{t,3}] to get this power-like derivative thing: $$f^{(3)}(x)$$ Is it possible to obtain same through an easier keyboard ...
3
votes
0answers
37 views

Behavior of $PreRead in Kernel

I am interested in making a simple accounting style line calculator that allows me to interact with it something like this: ...
-3
votes
2answers
610 views

Draw a circle with radius of x using pi = 22/7 [closed]

I'm using this free word command in Mathematica 8: "draw a circle with radius of x using pi = 22/7" but understandable, it doesn't use my version of pi for calculating perimeter and area. Is it ...
28
votes
3answers
995 views

Automatically check student answers in tests

I am a physics teacher and I am looking for a way to create homework assignments within Mathematica so that each problem has an input field that students can use to check their answers. For example, ...
7
votes
5answers
3k views

Notation of partial derivative

I want to write partial derivatives of functions with many arguments. Why is it that when I type f[x,y] ctrl+6 (0,1) it turns out to be bad syntax? The output of ...
9
votes
3answers
495 views

Ctrl+= opens the alpha input instead of below-script

When trying to type "traditional style" inputs such as integrals or sums, I follow the tutorial and type Esc sum Esc   Ctrl+= n=1  Ctrl+% 10 whatever However, when I type Ctrl+= it opens ...
4
votes
2answers
153 views

How to extract and assign output of Free-Form input to a variable?

Selecting a Free-Form input cell with the mouse I can query something like: convert 1 atm to pascals and get as a result ...