God Hi, I'd say go for the blue one. They're exactly the same, except the blue one is newer - and is still supported with updates. Might be a bit quicker too?......maybe -G
Musiclover Hi, i just use the school one so the texas ti nspire cx ii cas, which is the blue one i think some schools also use casio classpad or smth
Justin The calculator from Texas currently provides faster performance. Many questions that are unable to be solved by Casio calculator in a timely manner can be done instantly by Texas. The Casio is under maintained and lacks in raw computational power. There are also rumours that they are not updating their product lineup outside of Japan.