On Tue, 13 Jan 2009, Mark Rages wrote: > On Mon, Jan 12, 2009 at 3:27 PM, solarwind wrote: > > On Mon, Jan 12, 2009 at 5:26 PM, sergio masci wrote: > > > >> Go with simple IEEE 745 single precision (32 bit) for now. Get your > >> calculator going with limited precision and show it off. Feel good about > >> what you've accomplished and then decide if you really want to spend your > >> time making your calculator more accurate or if you'd prefer to start > >> another more interesting project. > > > > I wont be using anything less than a 64 bit floating point or MAPM. > > All that's left to do with the calculator is keypad scanning and these > > math operations. Everything else is working fine. I can even interact > > with the calculator via UART. I made the thing on a prototyping board > > and put UART headers and hooked up LCD. I can use it like a normal RPN > > calculator (with 24 bit float) from my PC keyboard. > > > > Hey, IEEE float was good enough for Microsoft: > > http://blogs.msdn.com/oldnewthing/archive/2004/05/25/141253.aspx oops: should read IEEE 754 (I do know what floating point is - honest) Regards Sergio Masci -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist