This will get you fully functional. The software is still mailed in all cases. When the software arrives, simply run the setup program and install over top of what you have to update any files that need it. If you ordered the airfoil library, also let me know which airfoils you are in immediate need of. Shipping and handling.
All software is shipped first class mail, or airmail for international shipments.
This feature requires return of original disk for library installation if this is a post program purchase or can be emailed. 4,5 and 6 digit variety. Current airfoil is displayed in the dialog box and changes shape as you click on the radio buttons selecting its type. Several thousand different airfoils can be produce with this utility. Also calculates wing volume surface area, projected area, weight estimations, wrap length, and cross sectional areas.