Printable Forms
Here are links to the forms used in the examples
The:
- prediction and
- interpolation forms
are useful for “real-life” work
These are “Pdf” files, so Adobe Reader is required - almost everyone has it. If you don’t, it’s available as free download from Adobe.com
Curves and differences are for training purposes only and are not to be used for navigation
Spreadsheets
Here are links to the spreadsheets used to check interpolation in applying the rule of twelfths. In order to use them you will need the appropriate software installed on your computer
Open Office is available as a free download from OpenOffice.org