this isnt exactly a chemistry question, but i am doing chemistry homework with my calculator.

Question

and i want to know if someone can tell me how can i cube something with this calculator? TI-30X IIS? i wanted to post a pic but i cant post sites.

i have this calculator can you tell me what to press so that when i enter

cube (7.79x10^-9)
i would get its cube which is 0.001982344602080349

please help!

Answer 1

See:
http://www.maplin.co.uk/images/Full/A97FX.jpg

There is a button below π (fifth button from the top of the left-most column) that is like a hat "^". This is the exponent button.

Try
(7.79*10^9±)^3
=4.72729139^-25
(not 0.001982344602080349)

The "^" key has replaced the "y^x" key on the older models like the TI-30XA.