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Helping a friend in Phoenix fix their graphing tool reminded me of my own tech scares. It is quite a shock when your screen goes dark before a big project. If you find your CASIO PRIZM FX-CG50 not working, stay calm and follow my lead. I have worked with these color models for years and … Read more
Last year in Chicago, I helped a student whose screen went dark right before a big calculus test. It is a real scare when your most trusted tool quits on you. If you find your ti nspire calculator not working, do not panic just yet. I have used these devices for years and know their … Read more
Moving to Phoenix taught me that heat and gadgets do not mix well. One hot morning, my screen just died right before a big test. Dealing with a NumWorks Graphing Calculator not working is a stress I know well. I have fixed many of these for my friends and myself over the years. Let me … Read more
Moving to Phoenix taught me that heat and gadgets do not mix well. One hot morning, my own tool gave up just before a huge test. Dealing with a ti 84 graphing calculator not working feels like a total disaster in class. I have fixed dozens of these for my peers and myself over the … Read more
Dining out in Seattle last week, I faced a very annoying glitch. My friends waited while I tried to split the check on my wrist. It is a real pain when you find your apple watch tip calculator not working during a meal. I have used these watches for years and fixed many small bugs. … Read more
Finding your Mr. Pen calculator not working can truly stall your flow when you have a long list of tasks. While I was living in Denver, my own unit went dark just as I started my monthly budget. It felt like a small loss at first, but I soon found that a few easy tricks … Read more
Back when I lived in Chicago, I learned that tech fails at the worst times. It was cold, I had a big math test, and my tool just died. Dealing with a ti 84 plus ce not working is a stress I know well. I have fixed many of these for friends and for myself. … Read more
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