Melody

You would need to tell us what country it is from :)

Hi Bioplant,

Derivatives and integrals are both parts of calculus.

Here is a little video clip for you tro watch.  It is very basic :)

I do not understand what you are asking. ://

so use    atan   

(1+3/4)  don't forget the brackets :)

Are you going to comment on this vest4r ??  

Are you sure you wrote the question in properly becasue as it is it does not make sense. :/

Hi vest4r

If the debt is due in 3 years why would you have to make the final payment in 2 years ???

1+ - 1   =  1 - 1 = 0

Graph of   y=|x^2-1| / [(x-1)(x+2)]

Schau dir das an:)