Summary: This is a very nice piece of technological gadget actually. I have bought this as a Christmas gift to myself and do not need it for my daily work and study. This is my first graphing calculator. But I am an engineer and hobbyist about such gadgets. So, it is really interesting to have such a piece of machinery because you know you can do really advanced calculations with it. First thing I have done is to charge it and update the firmware to the latest.
Summary: I was a bit put off after a few keystrokes with this latest from HP so much so that it is no longer to be found at my desk. I will be keeping by 28S, 48SX and my 50G for the next few years as HP gets their act together. I have used the HP RPN calculators exclusively since university, I do not think I will use another input system other than RPN as I get confused with the operations.
I like better than the T-89 Texas instrument screen
26 December 2014
Summary: I like better than the T-89 Texas instrument screen. It is different from my old HP48 G but it was easy for me get use to the new one. You can distinguish the screen text. I love the touchscreen.
Summary: A nice upgrade from the 50g, and for my use it has more functions easier accessed There are only 2 "flaws" for my use: 1) The color they chose to use for "shift" functions, a light Cyan color, well - perhaps my vision is not the best anymore, but it is Very hard to read that color on the white/grey keys 2) Build materials It is plastic all the way, I wish HP could use some real aluminum or something - It would add to the weight, but now it is so light, that the 50g is...