Enable text based alternatives for graph display and drawing entry

Try another version of this question

Change`5/4` and `9/10`to equivalent fractions given the LCD = `20`.

`5/4` =  

`9/10` =  


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..]