HP 39G+ Graphing Calculator Review

Average Reviews:

(More customer reviews)The Hp 39g+ is overall a decent calculator for you basic middle school and high school needs.
--Pros-
(1) The keys are plastic (finally) and much more stable.
(2) The overall system is more stable and less prone to crash.
(3) The Hp 39g+ has many more functions than the TI- 83+ (nearly 200 more) and when compared, it becomes overwhelmingly obvious that the 39g+ blows the Ti 83+ out of the water.
(4) The Hp 39g+ is overall cheaper, and better for your money.
(5) It can compute values up to the 499th power, while the Ti can only go to the 99th power.
(6) It has a Root Solver on it, which basically allows you to solve algebraic equations (example: 2x^2=67/6+56= SQRT6*sin(5^45)
(7) Less batteries are used in the Hp-39g+. Its three triple "A's" compared to four double "A's"
(8) The 39 has a bigger screen with more contrast.
(9) The Pretty Print option allows you to see equations in a form which they would look like in a textbook.
--Cons-
(1) The keys are noisy; they make an annoying clicking sound when on a surface.
(2) The connection to a computer is somewhat finicky, and a large amount of the programs on various sites don't work on the 39g+ or are way too fast. That is because the old programs were designed for a much slower system.
(3) Programs are essentially saved twice, so the same program as a TI on an Hp will be a lot bigger.
(4) The lack of flash memory on the 39g+ makes programs less secure. Overall, the 39g+ is a great calculator and I highly recommend it.


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39g+ Programmable Algebraic Graphing Calculator Display Characters x Lines22 x 7 Display NotationGraphic Storage Memory256K Levels of ParenthesesUnlimited Graphs, Rectangular Functions Graphs, Polar Equations Graphs, Parametric Equations Graphs, Differential Equations Interactive Zoom Programming Steps/Storage200KB Programming Subroutines Hypothesis Testing Confidence Interval Calculating Hyperbolic Functions Trig/Log Functions Logical (Boolean) Operations Simultaneous Equations Calculus Operations Matrices Complex Numbers Polynomial (Quadratic) Equations Time-Value-of-Money Amortization Equation Editor Direct Algebraic Logic Equation Play Back Direct Algebraic Logic Simple Scientific Functions One/Two Variable Statistics Size3-3/8w x 7-1/4d Replacement Batteries3 AAA + CR2032I/O Port USB Cable Ideal for high school math and science. Split screen comparisons. Includes operating batteries.

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