Average Reviews:
(More customer reviews)For a serious electronic engineering student in his senior year in college, calculations extensively revolve around converting units including bases as well as vectors. Compared to it's competitions from TI, it is such a no nonsense super-powerful engineering calculator that even the TI-92 doesn't come close to what this 48-GX can do. Entering numbers in RPN format may be quite tricky at first, but after about 4-hrs later, I came to prefer this format over the algebraic one. RPN totally eliminates the need of parenthesis. Algebriac fans can do algebriac entry and/or display too. It has a massive expendable equation library, so there is no need to carry around a ton of formula sheets. I also own a TI-85 and a CASIO FX-115W. Other than not being able to graph, the little $20 CASIO is much stronger and capable than the TI. It can do integration, derivatives, and can easily convert bases (HEX, BIN, DEC) and vectors (POL, REC). Up until I bought the 48-GX, I only used the CASIO. Now I don't have to use the CASIO anymore. I did some comparisons with my friends and found out that this HP calculator has all the ability of a TI-89 and a CASIO FX-2 as well as the usability of a CASIO-FX-115W, in addition to many more features, including easy expendable memory using cards which can be used like floppy disks to store infinite data, alarm clock, dnld and play music, x-fers to other 48-G/G+/GX by means of infrared light, symbolic calculations that can be converted into a numeric answer in one step, add/sub/mul/div polar and rectangular formats together in the same step, and don't forget the UNDO button when something goes oops. This is only to mention a few. It comes with an intro manual, and a very good comprehensive manual. If you are an engineer or a serious engineering student, one day alone with the 48-GX is all you need to famaliarize yourself with it, and chances are you'll never go back to a weak and overpriced TI again. If you don't need 3D analysis, HP-39G or CASIO FX-2.0 is recommendable, which are equal to TI-86. If you don't need graphing, CASIO FX-115W is a good choice.
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Item Name: HP 48GX (128KB) graphing calculator - used. Cosmetic Condition: Good Perfect Working ConditionHP 48GX Expandable RPN Graphing Calculator with two expansion card slots This item has been discontinued by the manufacturer. We have a limited number of used calculators available at the price listed on this page; once they are gone we'll likely stop carrying this model. These used units have been verified by us to be in good condition and in working order. Includes cable and batteries. Does not include: Manuals or manufacturer warranty. Returns will not be accepted for this item, but we will repair or replace defective units for an extended period of 60 days.
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