Printable Is-Was calculator

[reaper7]

Hi guys I have posted a printable version of the Is-Was calculator in a similar scheme to an AoB calculator I posted previously.
Download can be found here:
http://www.subsim.com/radioroom/showthread.php?t=153347

http://img15.imageshack.us/img15/4521/iswascalculator.jpg

[irish1958]

Thanks!!!:up:

[reaper7]

Unsure if its worth creating a version of the back end of the Is-Was calculator?
Do many use this part of the calculator?