I used the HP33S and was satisfied with it, although it was a hassle to get used to RPN. The key was to use it for all my practice problems.
Once I finished the exam, I went right back my Casio fx260 ($10)...except when some one asks to borrow a calculator. I hand them the HP33S and they...
Thanks for the responses.
The battery banks are 3 48V (44-60V), 500Ah banks feeding a single inverter. Each bank consists of 2 strings of batteries, and each bank will be charged seperately. I'm not thrilled by the concept, but sales sold it, and a customer wants it. They promised delivery...
I have a situation where I have multiple battery banks feeding a single load, and I need to avoid having one bank dump power into the other banks. I've been told to diode isolate the banks, but I'm having trouble finding a good way to do this. International Rectifier has schottky modules that...
