CIRKA – No Longer Available for Purchase As of October 20, 2022, CIRKA will no longer be available for purchase as we migrate to PG Focus. PanGlobal created PG Focus as a replacement for CIRKA in order to improve the user experience and help learners achieve better results. What does this mean for existing CIRKA subscribers? –As long as your CIRKA subscription is active, you will have access to your CIRKA account.

New Release – Thermodynamics Problem Solving Volume 1, Edition 1.0 We are excited to announce the release of Thermodynamics Problem Solving Volume 1, Edition 1! Thermodynamics Problem Solving Volume 1 is designed for individuals preparing to write the Fourth Class Part A exam or the Third Class A1 exam. The 300+ worked examples and problems in this volume enhance the PanGlobal thermodynamics sections from Fourth Class and Third Class. This volume will also assist those preparing to write the Second Class and First Class thermodynamics exams who require a review of earlier thermodynamics.