I have made a distance calculation spreadsheet for cruisers in Microsoft Excel.
You can download it, if you wish, from here:
http://samlmorse.com/forum/distcalc.xls Make sure you save it to disk if you wish to retain it.
Don’t forget that the system requires Degrees, Minutes and Seconds in a decimal format. At the top left of the spreadsheet I have built a calculator for conversions.
This spreadsheet will only work for the Northern Hemispeher - if anyone needs one for the Southern Hemisphere, please let me know, and I will create it.
Regards
John