1)   Electrist 1.321
The top-rated electronic & electrical engineering tool for Palm OS with the most advanced interface and hundreds of calculations. Only $20 USD - compare features and price with competing software.
ohms, watts, decibel, dB, delta, wye, voltage drop, VSWR, AWG, mm2,

 2)   Motorizer 1.0
Motorizer Professional motor reference: Complete calculations of horsepower, force, & torque, Locked Rotor Current, complete specs for over 200 IEC & NEMA motor frames with inline unit conversions & descriptions of calculator parameters
Motorizer, Palm, electrical, motor, calc, calculator, reference, OCPD, 3 phase power, voltage,

 3)   Electroguide 2.0
Mathematics formulas with ANNEXE / TABLE and CHART,Tension , Resistance, Current, Power, Capacitive and inductive reactance ,Series and Parallel inductance , constants RL, Wavelenght, Period,Converter, Series circuits RL - RC - RLC and more..
resistance, coil, capacitance, reactance, electronic, power, current, voltage, tension,

 4)   BatteryMon 2.0 1006
Monitor the performance of laptop computer batteries and uninterruptible power supplies (UPS). Graphically see the charge / discharge rate, diagnose problem battery cells and compare your batteries performance with expected discharge rates.
laptop, battery, UPS, monitor, charge, computer, power, utility, voltage, portable,