HP 9G Scientific Calculator Review

Average Reviews:

(More customer reviews)The HP-9G is the smallest graphing calculator in my collection, roughly the size of a standard non-graphing scientific calculator.The keys have a solid feel and you can adjust the screen.HP also sends two extra batteries with the calcualtor.
Here are some pros/cons:
PROS:
* Very lightweight, for the days you don't feel like lugging around larger calculators
* Distribution functions (normal curve), fractions, base calculators
* Gradient mode (for those of who like to measure angles in gradients)
* Programming available (only 400 bytes though)
* Conversions and constants
* Stat regressions include quadratic regressions
CONS:
*Hard to get two equations graphed at the same time; only trace function available
*Doesn't readibly handle complex numbers (so you'll have to compensate when solving quadratic equations -- the instructions have an excellent example)
*No derivative and no integral function (this why this calculator only got four stars, I consider these two functions vital)
Texas Instruments equivalent:TI-36X with function graphing and programming capability.Worth it if you can get this discounted (thank you Amazon! :))

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Product Description:
HP 9G Graphing Scientific Calculator - Hewlett Packard has the notable distinction of being the most reliable manufacturer of business and scientific calculators. Respected and depended upon by students and professionals, they've enjoyed popularity among class leaders for over 25 years. This 9G calculator continues this tradition with greater affordability.Math, Physics and Engineering functionsMatrix calculations13 Parenthesis levels28 Memories20 Physics constantsMetric conversionsDegree. Minute, Second (DMS) conversionsSize -6.1 x 3.2 x 0.5Includes batteriesHP 1-Year limited warranty