Disclaimer: I am a calculator "nut" and I love HP. That said, IMO, HP made a big mistake when they discontinued this calculator and they should consider reintroducing it with a larger, multi-line, pixelated display. The display limitations are really my only ding on this unit but, that was the technology at the time. I rated the HP 16c as a "good value" but, that is subjective. I found one for a "reasonable" price but, I had to search for several weeks to find one in near mint and with original book for a price I was willing to pay. They are considered a must-have by HP calculator collectors so, sellers are asking a bundle. Look for "auctions" and "make an offer" to get a fair price. For me, converting between Hex, Oct and Bin are second nature but converting to Dec is a pain to do manually. The HP 16c makes this instantaneous. Also working with 2's compliment numbers is a breeze. A huge help with logical design, as well. And it's just the coolest in the geekiest possible way. :)Read full review
Verified purchase: Yes
I am impressed with the functionality of this calculator and am surprised that HP (or another mfgr) doesn't still make this or one similar to it... Even in 2018, a standalone unit like this has its advantages over a smartphone app that emulates the HP 16C! This will certainly come in handy when I go back to college for computer science,
Verified purchase: Yes
The device is an excellent computer science device , allowing introductory type familiarity with manipulating numbers at the bit level, while providing capability to do assembly language type programming activities, remembering this is a vintage calculator going back 40 years or so.
Verified purchase: Yes
If you have to look at hex / octal / binary, yep I am a geek, then this is the calculator to own.
Verified purchase: Yes | Condition: Pre-owned
Well HP did the best calculators ever with the Voyager series. This model is unique for computer scientists. Although it is 20 years old, it is working fine and looks almost like knew. Dual plastic injected keys never fade and it shows. They are perfect. Definitely a great addition to any HP collector.
Verified purchase: Yes | Condition: Pre-owned
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