The free-form-input tag has no wiki summary.
2
votes
1answer
71 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
26 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:
...
4
votes
0answers
94 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
...
-3
votes
2answers
317 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 ...
24
votes
3answers
552 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
1k 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
...
8
votes
3answers
323 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
112 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
...
