Recommended for fabricators, engineers, designers, and students who like to try the slick tape measuring feelings. It is fun and easy to use with a short learning curve. You can verify the input data before performing the calculations. It is a good tool, especially good for aluminum framing fabrications.
A video is included to show how the fast actual operation.

Features:
1. continuous calculations method.(full version)
2. visualize your input lengths in proper format.
2. have output formats for imperial and metric units.
3. results can be emailed.
4. 6 levels of accuracy levels.