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28
votes
3answers
900 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
2k 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 ...
-3
votes
2answers
582 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 ...
6
votes
1answer
191 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 ...
2
votes
4answers
138 views

How to limit the argument to binary type in mathematica function

How do I write a function that only takes binary input?
2
votes
1answer
134 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. ...