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The PMP® Exam Formula Study Guide is a formula-focused PMP study resource from PM PrepCast, operated by OSP International LLC. It is not a full PMP course; instead, it is designed around the formulas, mathematical concepts, and result interpretation needed for the PMP exam. The product has been updated to the 2026 edition, and the page highlights newly added “interpretational formula questions” that may appear on the exam.
The resource consists of three parts: the Formula Guide, the Formula Pocket Guide, and 160 sample questions, totaling 268 pages. The Formula Guide explains the concepts behind the formulas, the formulas themselves, and how to interpret calculation results. The Pocket Guide condenses key formulas, values, and abbreviations into a one-page quick-reference sheet. The sample questions include both calculation-based and interpretation-based items, covering scenarios such as EVM, SPI, CPI, CV, agile story points, and Kanban WIP. In practice, the format is self-study via PDF, print book, or Kindle; the main content does not indicate live classes, recorded lessons, or one-on-one tutoring.
Pricing is relatively clear: the PDF download version is $29, the print book is $29, and the Kindle edition is $23. The PDF can be downloaded immediately, while the print and Kindle versions are associated with Amazon. It is important to note that purchasing this guide does not grant PMP certification. It is only a preparation resource for PMI’s PMP exam; the actual certification still requires passing the official exam.
The main advantage is its highly focused scope, making it useful for candidates who struggle with formula-based questions. It does more than simply list formulas; it also emphasizes interpreting results and making project decisions, which aligns with the exam trend described on the page. The 160 sample questions are described as covering formats such as multiple choice, drag-and-drop, hotspot, and fill-in-the-blank, making the guide suitable for targeted practice. The organization’s background is also fairly clear: OSP International LLC was founded in 2005 by Cornelius Fichtner, PMP, CSM, and the page states that its training and simulators have served more than 50,000 students.
The drawbacks are that this is not a comprehensive course and cannot replace full PMP knowledge-system study. The English-language materials may also be a barrier for Chinese-speaking candidates. In addition, PDFs and books offer limited interactivity; support appears mainly to come through access to an exam discussion forum, with no clear mention of personalized Q&A.
This guide is best suited to candidates who are already in the middle or later stages of PMP preparation and want to strengthen their formula and interpretation-question skills. It is also useful for project managers reviewing the meaning of performance metrics. The main text does not explain access from mainland China, payment methods, or the Amazon purchasing experience, so its access status should be considered unknown. If you need Chinese-language instruction, a structured course, or local payment options, you may want to compare it with Chinese PMP training providers, the full PM PrepCast course, or a PMP exam simulator.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on project-management-formulas.com official site.
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