Number one handheld computer calculator for the electrical industry.

Tells electrical voltage drop over distance, both for AWG and metric cables.

Conduit sizing

Circuit Breaker selection

Grounding Conductors

NEMA Starters/Horsepower

Find cost to run lights and equipment per day, week, month and year.

Calculate amperage and wattage data.

Find DC, AC single and 3-phase Kilowatts when amps, voltage & power factor is known

Find single and 3-phase Kilovolt-Amps when amps & voltage is known

Find Single and 3-phase Amps when kVA and voltage is known

Find DC, AC single and 3-phase amps when kilowatts, voltage and power factor is known

Find DC, AC single and 3-phase horsepower output when amps, voltage, efficiency and power factor are known

Find DC, AC single and 3-phase amps when horsepower, voltage, efficiency and power factor is known

Calculate foot candle brightness of light at any distance from a light source.

Reference section includes many handy electrical formulas, tables and diagrams.

Context-sensitive online help.

Color support

Includes Windows version you can conveniently use on your desktop/laptop. Windows version looks and works exactly like the handheld version, so there is no need to learn anything new.
Also see EstiMaker, designed to help electrical professionals with the estimating/bidding process, letting an estimator create a take-off estimate in, generally, at least a third of the usual time.