I was not particularly impressed with the available functions, so I started looking at the

Though the unit has a 10 min auto shut off, what if you press another key while it's on in the slip?- Lacks certain math functions

The other scientific functions are somewhat limited but it will do basic statistics and mathmatical problems and has programmable memory keys.

I personally prefer the old design, but I really like the way the important functions--Present Value, Future Value, Payment, Interest,

The statistical functions on this calculator are easy to use and make statistical problem solving much easier

This one is very straight-forward and requires only a few minutes to master the basic functions for time-value of money.

it meets my expectation and it has appropriate functions for financial calculation

While the Off function still requires a {brown} function key to work so that I am not turning it off with every single calculation, it is very frustrating to almost instinctively press the clear key to find it did nothing at all.

At fist, i dont see the magic function it has built-in

Whether it's cash flows, IRR, TVM, or %-difference calculations, the HP allows you to enter the data directly from the screen, followed by a press of the appropriate function key.

Once you figure out how to work the functions it is great