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The GX is the top of the HP48 line - fast, and comes with 128K memory. It's a great tool whether just for day-to-day calculation use, whether you want to program repetivie tasks, or do a little bit of function graphing. The keys still have the classic feel of the HP line which is terrific when added to the greatly improved under-the-hood CPU. Great little machine.
Verified purchase: Yes
No handheld calculator on the face of the Earth is as good as the HP48gx. But the 48gx I got worked for a whole two weeks before it died and after a month of trying to coax back it to life, at best it is now a paper weight.
Verified purchase: Yes | Condition: Pre-owned
As of 10-03-2017: Enough cannot be said about this unit. It is the pinnacle of calculator greatness. The physical design is superb, and the function set is complete. Given the immense power of this unit it is still quite easy to use. The HP 50G may be more capable, but I find the HP 48GX more useful, and it still has all of the power I shall ever need. Guys, there is a reason that this calculator, along with the previous HP 41 series greats, was considered mission critical for NASA missions. This also speaks volumes regarding the reliability of this unit. The HP 48GX is an achievement of Human Engineering, and it has inspired other feats of Engineering as it has served as a powerful problem solving tool time and time again. ********************************************************************************************************** I have used a numbe of HP calculators, which I shall list in chronological order from earliest experience to the most recent: HP 41CV (an established legend) HP 42S (perhaps the most revered non-graphic hp calculator) HP 32SII (a solid work horse, very usable) HP 48G (immensely powerful) HP 48SX (another classic) HP 48GX (the pinnacle of raw calc power) HP 35S (nice tool, but keyboard quality issue, other could be a candidate for a future legend) HP 15C LIMITED EDITION (great calc, holds true to the original) HP 48GX (my latest purchase on EBAY) I think that all of the units were great and set HP apart from any other calculator manufacturer by far. I have used the 42s and 32sii models more than any other of the above. The 42s was my primary go to unit before I mistakenly thought that it had stopped functioning. I then went to the 32sii and the 48GX, which I used during Grad School. I found myself a little intimidated by the 48GX at one point. With great power comes a steep learning curve one might say :) However, I have recommitted myself to mastering it, and what a tool. For an Electrical Engineer this tool is awesome, in part because of its ability to easily and conveniently handle complex numbers, which is a key point for those of us who deal with microwave circuits. The object oriented programming takes a little getting used to, but it is way more powerful and efficient than the keystroke programming found on the 41CV, 42S, 32SII, and other units. The expandability is something else about the machine about which I have become more appreciative. I brought the EE Pro and SPICE48 pacs a while ago, and I do find them useful on occasion. To sum it up, the 48GX is the Electrical Engineers dream tool, and this puppy will never go out of style.Read full review
Verified purchase: No
This is the last really great HP calc that is pure RPN. I've been a fan of RPN since my first HP (a 35) in 1974, and dislike any other interface format for a handheld device. Sure, the newer HPs (HP 49g, 49g+, 50g) have slightly more capability, but the 48gx has at least as much capability as most scientific and engineering professionals would ever use. Fortunately, these newer models also have RPN, as well as algebraic interface options, but they lack the big "Enter" key that we RPN fans have come to love. If you've never tried it, get an HP with RPN capability and use it (in RPN mode, if there's also an algebraic option) for a week. You're almost certain to be converted by RPN's efficiency and ease of use. If you're fortunate enough to find a 48gx at a reasonable price, you'll soon be hooked on that big "Enter" key that seems to be located in exactly the right place!Read full review
Many HP Calculator collectors consider the HP 48 to be the pinnacle of HP design and quality. Although the color scheme was a controversial jump from the standard Blue/Orange/Brown, many Engineering students in the late 1990s moved to the top-end HP model because of the expansion cards, and powerful RPL programming capabilities. The HP 48GX is third in a series of closely related calculators. The 48GX has 128k RAM and 2 Expansion Card slots. The related 48G+ has 128K of RAM also, but lacks the card slots. The 48G has only 32K of RAM, and like the 48g+ does not have any expansion capability. USE CAUTION buying or selling any of these three on ebay because the look and operate the same except for memory size and expansion. Look closely at the top- left and top-right hand sides of the FRONT of the calculator to tell the difference. The Model number (48GX/48G+/48G) will be on the top left hand side of the calculator.Read full review
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