New calculators:

- Motion calculator (with forces and estimated power calcs)
- Plain Bearing: PV
- Yoyo Winch calcs
- Pulley Tread and Bore Pressure
- D:d Ratio (with strength reduction calc)

Other notable changes:

- The Unit Conversion calculator now include electrical units
- Added to the Constants page.
- Added formula pages for each calculator (example)
- Added diagrams to those that need them
- Updated the jquery mobile library to 1.4.0.
- Added a revision log
- Most multi-page calculators were re-written to provide a simpler interface.
- Some calculators now utilize drop-down menus to specify which variable to calculate for

Coming soon:

- Parallel Key size and design calculator

If there is a calculator anyone wants to see, let me know. — cheers.