An exceptionally clear, patient manual that turns a formidable calculator into a genuinely teachable instrument.
I found Richard Murdoch Montgomery’s HP Prime Complete User Manual (Special Edition) to be exactly what a serious technical manual should be: lucid, methodical, and quietly authoritative. The HP Prime is a powerful machine, but power without explanation quickly becomes obscurity; this book does the hard work of making the device intelligible. What I appreciated most was the author’s discipline. The coverage feels carefully sequenced, with each feature introduced in a way that respects both the machine’s logic and the reader’s limited patience.
The strongest virtue here is fidelity to the subject. Montgomery does not merely list functions; he explains how the calculator behaves, where its interface choices matter, and how to use its capabilities in practice. That makes a real difference in a reference work of this kind, because the HP Prime is not a trivial gadget but a compact computational environment. The manual’s treatment of core operations, menus, symbolic manipulation, graphing, and programmatic use is especially effective when it moves from description to workflow. I was repeatedly struck by how often the book anticipates the novice’s next confusion and answers it before it hardens into frustration.
It is also, importantly, a manual with a sense of proportion. Many technical guides mistake completeness for usefulness; this one seems to understand that completeness is only valuable when it remains navigable. The explanations are detailed without becoming fussy, and the tone is firm but never patronising. In a field where documentation can so easily become either skeletal or bloated, this strikes a commendable balance. If I have one affectionate caveat, it is that a reader already fluent in advanced calculator usage may occasionally wish for even more terse cross-referencing in a few dense sections.
Still, that is a very small reservation beside the larger achievement. This is a carefully prepared, independently checked manual that serves both as instruction and as dependable reference. For anyone who wants to extract real mathematical and computational value from the HP Prime, Montgomery has provided a guide of unusual seriousness and practical intelligence.
Who should read this
I would recommend this to students, teachers, engineers, and technically minded users who want to move beyond trial-and-error and actually understand the HP Prime. It is especially valuable for readers who prefer thorough, trustworthy documentation to scattered online fragments.
A personal note from Menon
As someone who cares about scientific clarity, I admire how this manual turns a dense technical object into something approachable without flattening its complexity. It reads like the work of an author who genuinely respects both the machine and the reader.
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