keybr.com

http://www.keybr.com/

- learn how to type faster from  http://www.makeuseof.com/tag/want-to-type-faster-no-touch-typing-courses/

http://tlt.its.psu.edu/suggestions/international/accents/codealt.html#math

http://www.tedmontgomery.com/tutorial/altchrc.html

http://www.britfeld.com/aboutme/alt.htm

• How do you get the symbol you want?

• Hold the Alt Key down

• Type the number next to the symbol you want, using the Calculator part of your keyboard

• Release the Alt Key

• And there you have it, your symbol.