Hi, I have an ericsson K320i mobile phone. Its inbuilt calculator is very basic, but as the phone supports java applications, I was on the lookout for a free scientific calculator. It must support trigonometric, exponential functions and their inverses, and should be easy and convenient to use 
That way I wont need to carry my 80's model casio anymore
hyeah:
That way I wont need to carry my 80's model casio anymore
hyeah: