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R47 officially goes on sale, early bird discount available here: 47calc.com/ #calculators @calculators #rpn #hp

TLDR; Stick with the CG50 unless you find the new UI compelling

Released about six months ago, I finally picked up a Casio fx-CG100. Physically, it is a very pretty device, and the buttons feel great. I was excited to benchmark it and put it through my torture tests, but was pretty shocked by the results. It is actually a touch slower than the CG50 on all of my benchmarks, and uses the exact same algorithms as the CG50. That means that the gains in precision that we've seen with the fx-991CW do not carry over to the new flagship graphing calculator.

The UI has some welcome improvements, especially if you do a lot of linear algebra. On the main calculate page, defining vectors and matricies are only one button press away instead of digging through menus. I personally find the Catalog and Tools method of accessing functions to be a more intuitive method than the F-buttons, but your mileage may vary.

The biggest difference between the CG100 and the CG50 is that the CG100 lacks the ability to install additional programs. That means no khiCAS, and you're stuck with only what comes preinstalled. If I wasn't a collector/enthusiast, I'd strongly recommend giving this particular calculator a hard pass. As it is, exploring the unique UI and enjoying the physical attributes of the calculator make it worth it to me, and I'm happy to have it in my arsenal.

A calculator you would approve of @SmartmanApps ! This might be one of my favourite algebraic #calculators, but then I was always a fan of Sharps. @calculators

I picked this up in an antique shop when I was a kid, maybe 15 years ago. I guess I lost the stylus along the way.

Here’s the clear bar pulled:

Instructions:

I got this HP-17Bii recently - it's my first Pioneer model. I didn't realise until I got it that the keys are in fact double shot (thought double shot was limited to HP ancient history). Even the shift key is a big hunk of yellow resin embedded in a regular key by the looks of it.

Sometimes the 6 key skips - how hard is this to fix?

As I am getting older I really want to switch to a large format desktop calculator with preferably an angled screen. I currently use a fx-991CW but I find I have to pick it up and use it two handed now, less than ideal.

My workflow means I need brackets and ideally I would like square, square root, and exp as well. Any such desktop calculator exist as I am struggling to find one?