Completely rewritten from scratch.  New interface, ability to save multiple results, and ability to export results.

This update from Apple will improve the functionality of this app. No new features are included.

Pro Bug Fix

Totally redone code.  Basis for future growth.  Redone UI.  Ability to see underlying formulas if you unlock pro version

new charts

New Formula, small bug fixes

Electrical Charts, Links to download the latest Electrical Codes by State

bug fix

Critical Bug Fix

iPhone 5 Support

Over 35 new formulas in the voltage drop, bug fixes

New Motor Formulas.  Support for iPad Retina

iOS 5 Compatibility

New Section with Power Demand formulas and charts

New Interface, Support for E Printing 400 new metric conversion formulas

Added additional metric formulas plus wring chart for EU, GB, Canada and Australia

New UPS calculations, Fixed Saved Calculation sync on iphone, formula tweeks

Critical upgrade to prevent crash on upgrades only

IF your iphone crashes on starting after upgrade delete the app and redownload a new version is on the way.  iPad Native, new transformer formulas, totally redone conversion sections with over 100 new formulas.  New area formulas

10 New Power Factor Conversions
fractions to decimals and metric
New Wring Calculation

Six new formulas
AWG inputs for Conduit Size
Conduit Offset formula
4 Motor Pulley Formulas

Section in Lighting that includes:Lighting Loads for both Metric and Imperial, Hours of Usage, Number of Fittings, Room Index,
Two new transformer formulas for secondary windings
New Conversion Square Measures Metric Conversion
In² to cent², Ft² to Mt²Acres to Hectors Acres to Square Kilometers and reverse of the above
Cubic conversion: Cubic Inches to Cubic Centimeters, Cubic Feet to Cubic Meters and Cubic Yards to Cubic Meters and the reverse of the above.

Four new formulas for Voltage Drop that allow entry of voltage drop in AWG
Four new formulas in Voltage Drop that allow entry in Millimeters
600 Volt Transformer Formula

45 Area Formulas on Rectangles, Pyramids,Squares,Cylinders,Circles, Cones, Ellipses and Parallelograms.

Six formulas in Direct-Current Permanent Motors.
Bug Correction in Kilometers and Kilo conversions.
Bug Fix for certain regions and decimal point entry.

New Motor Calculations for:
Full Load Torque
Starting Time
Energy to Overcome Inertia
Full Load Speed
Conversion from G to ft sec and back
Bug Fix In Recent
Better E-mail to support

Two Phase Four Wire Calculations for Amperes when HP is known, KW is known, KVA is known, Kilowatts and Kilovolts as well as Horsepower.  Additional Impedance Calculation when Resistance and Reactance are known as well whe Inductive Reactance and Capacitive REactance are known.
Conversion Section Reintroduced.