The fastest, most complete, easiest to use, and top rated electrical and electronic circuit engineering calculator available with over 90 commonly used formulas and variations
Every electrician with a PDA should have Palmpacity! Have the 2002 National Electric Code ampacity tables 310-16 through 310-20 with you on every jobsite, at every meeting, and wherever else you may go!
Engineering and Scientific Calculators 
The fastest, most complete, easiest to use, and top rated electrical and electronic circuit engineering calculator available with over 90 commonly used formulas and variations