If you are doing mathematics, you will want to use Scientific Notebook (SN) and take advantage of Duxbury's LaTeX importer. Create and print your print or large print math. Save the file. Then open your Scientific Notebook LaTeX file and go to braille. Here are some examples of math equations followed by the associated Nemeth (American math) braille:
+y^3 .k z^="x^2
#2(x)+3(y+12) .k #3?x/y#(y-6)^2
!;a^b"f(x)dx
"SPATIAL MATH " is out of this world with DBT.
In summary, you will create a blank print document and enter everything but your math. Then translate to braille and enter your math information directly utilizing the number pad!
Hint #1 you will want to use the "3" key to get your dot 2,5 lines
Hint #2 if you go to VIEW and choose full page you get a better idea of the layout of the math on the full page while you are keying it in.
Hint #3 you can use search and replace to replace multiplication and division signs with dot product, cross product, line between dots division sign as you please.