Learn the PIE Scheme

Each PIE edition contains a one-page, easy-to-learn scheme. You're recommended to save and print them for quick reference, using links below. PIE (International) Scheme PIE (American) Scheme download as pdf or image download as pdf or image Source Document and Translations We also provide the source documents (in ODT format which can be edited by the free and open source office suite LibreOffice) for the above schemes, so that you can translate them to other languages. PIE_International_Chart.odt PIE_American_Chart.odt