All files on this website are FREE to view online and reference for any non-commercial use, under the creative commons share-alike license. Please attribute this website.

​

If, however, you would like to download a pdf file or print out any physical copies, a donation of $0.99 is recommended in order to compensate for the authorship of such documents. An additinoal fee will be evaluated for any lengthy documents in excess of 20 pages.

This fee may be waived for users to whom this charge poses a significant financial burden. If this is the case for you, simply choose "Single Purchase @ Financial Aid."

Need help in a specific area? Visit our affiliated site: https://jacobwu.wixsite.com/igcse/book-online