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In Chicago, I’ve spent years testing, reviewing, and teaching with scientific calculators, from the old Casio FX-82 to the newest FX-991EX. As a calculator expert who often mentors engineering and science students, I’ve seen how the right calculator can turn confusion into clarity. The Casio FX-991EX surprised me with its balance of speed, precision, and … Read more
As a calculator expert who’s tested everything from entry-level scientific models to advanced graphing tools. I’ve spent months with the Texas Instruments TI-83 Plus Graphing Calculator. It’s one of those iconic tools that’s been trusted in classrooms and labs across the U.S. for decades. A reliable companion that bridges simplicity and serious computational power. The … Read more
Is the DM32 RPN Calculator Good? Yes. The SwissMicros DM32 RPN Scientific Calculator is one of the most precise and thoughtfully designed calculators I’ve ever tested. As a calculator expert, I’ve used many models over the years, from basic classroom tools to advanced HP units. But the DM32 stands out for how seamlessly it merges classic … Read more
The TI-30XS MultiView Scientific Calculator is a well-liked and effective tool for middle school, high school, and college learners because of its simple features, strong build, and approval for exams. Its main benefits include showing calculations in a format like a textbook and having a multi-line screen that helps users compare outcomes and identify trends … Read more
By a calculator expert who has used dozens of financial and scientific models over the years. I’ve worked with financial and RPN (Reverse Polish Notation) calculators for years, from the legendary HP-12C to modern scientific hybrids. The SwissMicros DM12L Financial Calculator caught my attention. It promises to blend the classic HP-12C experience. DM12L with modern … Read more
The TI-30X IIS Scientific Calculator is one of the most trusted and popular calculators from Texas Instruments, often used by students in middle and high school. It is appreciated for its sturdy design, user-friendly operation, and special two-line display, which significantly improves upon older single-line types. As a calculator expert who’s tested everything from basic … Read more
As a calculator expert, I’ve spent years testing models across brands like Casio, TI, and HP. When I picked up the CATIGA CS229 Scientific Calculator, I was genuinely curious about how it would perform in real classroom and engineering scenarios. After weeks of hands-on use, I found it to be a surprisingly capable mid-range option. … Read more
As a calculator expert who has tested countless models over the years, I’ve always had a soft spot for tools that make complex math feel simple. The Texas Instruments TI-84 Plus Graphics Calculator is one of those steady companions that bridges the gap between high school and college math. It’s not flashy, but it’s reliable … Read more
Is the DM41X RPN Calculator Good? Yes , the SwissMicros DM41X RPN Scientific Calculator is one of the most powerful RPN-based tools I’ve ever used. It’s built for serious professionals who love precision and reliability. When I first started using it for engineering and finance calculations, I was surprised by how fast it handled complex operations … Read more
Is the TI-89 Titanium Calculator Good? Yes the TI-89 Titanium Graphing Calculator is still one of the most capable tools I’ve tested for advanced math and engineering work. Despite being an older model, it remains reliable, accurate, and powerful. In the morning, I first used it, and I was surprised at how fast it handled complex … Read more