Enable text based alternatives for graph display and drawing entry

Try another version of this question

Find the dot product of the following vectors `vec u` and `vec v`.
[Graphs generated by this script: initPicture(-6,6,-6,6);axes(1,1,null,1,1);marker='arrow';stroke = 'red';line([0,0],[-5,-2]);stroke = 'blue';line([0,0], [5, 3])]

`vec u` `\cdot` `vec v` =  

Get help:


X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]