i don;t have that super calculator and i dont know where to get it from so can you show me how to do it without using that calculator! and i love you website, it is the reason i am not failing in math

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If you are gonna have an extended career in mathematics and/or sciences I would suggest getting the ti-84 or ti-84plus and start getting familiar with its uses. Click on the link below for some sweet deals on the ti-84plus Also, wal-mart, target, staples.... they have many of these available for you.