HP 33S Scientific Calculator (F2216A)
by Hewlett Packard
Our Price: $99.99
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Category: CE
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Manufacturer: Hewlett PackardModel: F2216A
Product features:
- RPN and algebraic key-in logic
- Easy-to-read 2-line LCD
- Sturdy rubber/plastic construction
- 32 KB memory, 27 memory storage and recall functions
- Automatic power off
Digital Cameras Photo Reviews of HP 33S Scientific Calculator (F2216A)
Customer Review: Perfect Intersection of Power, Ease, Price
Summary: 5 Stars
I've used my hp 33s relentlessly in school for over 4 years for surveying comps, physics, geodesy, probability and even a proofs class (it has a remainder function). It's now on its third set of batteries. I have several other handheld calculators: hp, ti, graphers, scientifics, but this is the one I always have with me. The STO(re) button, the x^2, square root, power, x root, e^x, and LN functions are all located together and are available without having to press a shift button. That alone makes this calculator much faster to use. The built-in R>P and P>R functions and the two-line display allow you to work with both the x and y components of vectors simultaneously-another time saver. Yes, you enter an angle and then a distance (magnitude), hit the >y,x button and you get y and x at the same time. You can sum components in the stat registers or on the stack with the CMPLX function. You can use the equation list with the SOLVE button to solve for any variable in an equation without having to isolate it beforehand. Assignment statements in the equation list evaluate from the right to the left, so you can use the same variable on both sides allowing iterative solutions right in the equation list. Just perfect for determining the intensity of light getting through a series of polarizers. Store your own constants in the equation list explicitly or by having an expression to evaluate it automatically. For example, a constant like this can be stored: 1÷298.257222101 (geo types recognize this as inverse flattening of the GRS80 ellipsoid and something you don't want to have to key in every time you need it). You can find an equation of a line between two points with the linear regression function, get the correlation coefficient between two sets of values. Permutations, combinations, integer math, unit conversions are all available directly on the keyboard. Fractions are easily entered (and automatically reduced) by simply double-tapping the decimal point between numerator and denominator. You can create a very simple program to safely clear memory between problems and load physical constants into variables you can quickly access on the keypad saving you from having to go to the constants menu (which is very easy anyway). For example, in electromagnetics: k, q, c, electron mass (e), neutron mass (n), proton mass (p) etc. The topmost program on the program list will execute with only a press of the R/S button and this can be exploited to quickly and repeatedly execute a program or repeat an action. For example: computing x(t) and y(t) to get a sequence of the coordinates of a parametric function (particle motion) or quickly computing the Lorentz (gamma) factor relativity comps. The symmetric layout of the keypad allows easy visualization of a 3x3 matrix under memory registers B,C,D,F,G,H,J,K,L for which easily written programs can do cross products and determinant, dot products, normalization.
The calculator comes with a real user manual containing several example programs that include coordinate transformations, curve fitting, solution of a system of 3 equations. Online, HP also has a library of short instructional aids (each a few pages long) that concentrate on individual problems and applications. There are also many third-party programs available.
Get one long before you need it for a test. It's much lighter than a grapher and is so useful that I just leave my grapher at home. Keep in mind that a lot of criticism of this calculator comes from long-time HP users who were shocked by the appearance of the calculator and who don't like the direction HP took with some management changes a few years back. The HP 33s was the first HP calculator I ever used and I was astounded by what I was able to do with it. The HP 35s offers a little more flexibility in programming and allows for storage of more variables, but the HP 33s requires less shift button pressing and is unquestionably more usable right out of the box. If you have never used an HP calculator previously and if you value easily accessible power and functionality in a package that fits into the tool pocket of your Carhartt work jeans, this is your machine. If you're not sure, about RPN, it does algebraic too, but RPN is how you first learned how to add two numbers: by stacking them and then adding! Surprise!
Description of HP 33S Scientific Calculator (F2216A)
A great tool for engineers, surveyors, college students, scientists and medical professionals. More than 100 built-in functions. Accuracy, functionality and dependability! Rubber side grips for a comfortable hold.
HP 33S.
Pocket-sized and full-featured, the HP 33s Scientific Calculator is designed for engineers, surveyors, college students, scientists, and medical professionals. Its two-line display is easy to read, and at only 4.2 ounces, the unit slips easily into your pocket for travel.
Boasting both Reverse Polish Notation (RPN) and intuitive algebraic data entry modes, as well as 32 KB memory with 27 memory storage and recall functions, the 33s is ideal for solving a variety of science and engineering problems.
Functions include trigonometric, percentage, conversion, coordinate, time, angle, probability, factorial, gamma, fractions, and a variety of statistical operations. The calculator can solve equations, integrate, work with complex numbers, and is programmable. The 386-page manual thoroughly reviews the calculator's many features. When purchased new, the unit is backed by HP's one-year limited warranty.
What's in the Box
Calculator, two 3-volt lithium coin batteries (CR2032), instruction manual
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