Casio
Casio FX300MS Calculator, Scientific Calculators with Scientific, Exponential, and Trigonometric Functions
The Casio FX300MS calculator features a twoline display and supports complex number calculations, algebra, calculus, and 18 levels of parentheses.
 Number of display digits: 10
 Solar plus means calculator has battery backup in dim light, auto power down feature
 Display notation: Numeric, display type: LCD
 Replacement batteries: LR44
 Entry logic: Algebraic
 Fraction calculations, fraction/decimal conversions, decimal function, base number calculations, complex number calculations, hyperbolic functions, linear regression, logical (boolean) operations, polar rectangular conversion, probability, trig/log functions
 229 builtin functions, permitted on college entrance exams, such as SATs
 Power source: Solar and battery
 Protective cover: Hard case
Casio FX300MS Calculator Features 229 Functions from Math to Algebraic Formulas
Always powered up, it's just as useful in a household or office for all your calculating needs, from finances to converting cooking measurements, and for anything else you can think of when you wish you had a calculator at hand. The large, readable twoline display exhibits 10 digits, shows the problem as you write it, and then shows the answer alongside, permitting better tracking of your equationsolving process.
With the Casio FX300MS scientific calculator, if you make an input error, you can quickly clear it with the backspace key. Tap the auto replay function to check your last equation. You can also use 229 builtin mathematics functions, enter fractions, raise y to the x power, figure standard deviations, process degree/radian/grad conversions, calculate sine, cosine, tangent, and inverse, and compute permutations and combinations. Plus, call upon the FX300MS calculator basic scientific, exponential, and trigonometric functions for everything you need to complete your assignments and lab work. Key in and program formulas to save for future uses.
The FX300MS calculator provides one independent and six constant memory keys. It has an efficient key layout, making this an easytouse basic scientific calculator, offering all the functions you'll need in a solidly constructed unit. And solar power means never replacing batteries; the backup battery assures you'll always have power when you need it.
Features
 Display notation: Numeric, display type: LCD
 2Line Display, Accurate 10 Digit, 10+2Display
 2Line Display shows formulas and results simultaneously
 Random number generator
 Memory: 7K
 One independent and 6 constant memories
 Entry logic: Algebraic
 Percent key, +/ switch key, backspace key, square root key
 Fraction calculations, fraction/decimal conversions, decimal function, base number calculations, complex number calculations, hyperbolic functions, linear regression, logical (boolean) operations, polar rectangular conversion, probability, trig/log functions
 Levels of parentheses: 18
 Variable statistics: Two
 Features 229 builtin math functions including basic scientific, exponential and trigonometric, fractions, regression analysis and more
 Visually Perfect Algebraic Method (VPAM) displays examples as written
 Fraction Functions, Regression Analysis
 One/Two Variable, Scientific Notation
 Permitted for use on SAT* and PSAT/NMSQT* entrance exams
 Solar plus means calculator has battery backup in dim light, auto power down feature

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User Reviews
User: kkrome25
User Rating: ★★★★★
Can't beat the price for a great scientific calculator. I bought this casio fx300ms calculator mainly for the Log function. I've had no problems with it. It's just very dependable. The protector shield slides off, and you can slide it underneath the calculator, or you can just leave the shield off completely.
User: M. Cooper
User Rating: ★★★★★
I have this and a Texas Instruments Texas Instruments TI30X IIS 2Line Scientific Calculator, Black with Blue Accents. I'm finally throwing out the Texas Instuments' calculator and buying a second of these because (1) I'm often doing sequential problems, and this one keeps the answer to the previous formula in the upper bar while you type the next one, and (2) the other calculator's keys are stiff, and I often have missed digits when I'm trying to do problems on it.
User: Gigi Li
User Rating: ★★★★★
I bought one of these as a poor PhD student and used it all the way through graduate school. Used it periodically at my first job out of school when I am too lazy to open up statistics software for some simple calculations. Recently I need another one for my new job and thought I lost my old calculator and just ordered a new one from Amazon. Well the next day I found my old one and it's still going strong after 10 years (I think the price hasn't changed since 10 years ago), but I decide to keep the new one so I can have one at home when I work remotely. This one has comfortable big keys and beats the calculator on the computer or online any day. Would recommend to anyone who needs a reliable and everyday scientific calculator.
User: JG
User Rating: ★★★★
My spouse and grown kids are constantly using my calculator. So I bought five of them and put on every table in our house. Actually very good piece with a lot of functions and very inexpensive.
User: garrity
User Rating: ★★★★★
Bought the calculators for my classroom. They work great and does all the calculations for Algebra, Geomtry, and Algebra 2. A must for any high school math class.