10,00 for 1 year

Please Note!

Indicative prices in ZAR are approximate and will vary due to exchange rates and your bank charges. The actual rate should be less than what is seen but will be confirmed with PayPal during the checkout process.


This is a short 4 chapter module to assist students with ISA calculation, ISA deviation calculation as well as pressure and density altitude calculations. It was designed to help those students who either struggle a bit with Maths or who just need a bit of extra help with this section.