Top 10 Best Casio Fx-991ex

Natural Textbook Display- Can display fractions, derivatives, integrals, sum and other operations similar to their display in math textbooks.. Converts between Standard form and a Decimal, Reviewedit previous entries, Random Number Generator.. 2-function Table of values fx, gx, Statistics and Linear Regression, Integer Division with a Remainder.. Random Number Generator, Integer Division with a Remainder.. Greatest Common Divisor, Least Common Multiple..

High-resolution LCD shows more of your work to minimize scrolling. Advanced calculations let you quickly work through multi-step problems. Online Visualization provides fast representation of data for entire class. 2-way power ensures reliable use in any setting. With WYNGS protective case black.

991ES Multifunctional Scientific Calculator - ROATEE business calculator features 417 computing functions, which is more than the common scientific calculator on the market. And this can meet almost all of your daily computing needs.. Scientific Calculator with Notepad - This scientific calculator for students intergrates calculation and notebook with a stylus pen. The lcd writing tablet enables you to take notes during the calculation, which do great help for study and work. Great portable high school supplies NOTEOnly Unlock the LOCK KEY will the writing area and the erase button work.. Dual Power Solar Panel Coin Battery - The replaceble coin battery is built in this scientific calculator. It is also powered by solar energy so you don't need to worry about battery depletion.. Anti-Drop Body with High Durability - The body of this scientific calculator undergoes rigorous quality tests. Due to the design of anti-drop body, no need to worry about the damage by accidentally falling.. Lightweight and Portable Design - This lightweight scientific calculator only weighs 5 ounces.It can be easily put in your pocket, which is convenient for business and college.. Conversion of Fraction and Decimal - You can change the results through the key 'SD' Or you can configure calculator setting 1. Press the button 'SHIFT'. 2. Press the button 'MODE'. 3. Choose 1 or 2 to set the mode of fraction or decimal. MthIO for fraction, LineIO for decimal. What Will You Get - 991ES scientific calculator1,instructions1,exquisite packing box1,packing case1..

417 Calculation Functions The scientific calculators has 417 different calculation function built-in, including trigonometric function, exponential function, logarithmic function, calculus, statistics, algebra, and other advanced mathematical functions. It also supports complex number calculations, matrix calculations, vector calculations, etc., and can meet the various scientific and engineering calculation needs .. Large Screen Four-Line Display The scientific calculator adopts a four-line large screen design, which is convenient for users to read. It also supports the natural display, which can directly display the input and output of mathematical formulas on the screen, making complex calculations more intuitive.The key SHITT -MODE SETUP DOWN -6 LEFT Continue RIGHT .Use LEFT and RIGHT to adjust screen brightness .. Dual Power This calculator has a built-in solar panel and durable battery, which can be used continuously for many years in indoor and outdoor environments, reducing the frequency of battery replacement and making it more economical. This also makes it the best choice for people who need to use it for a long time, such as school supplies, high school students, accountants, and non-programmable calculators .. Multi-Functional Keyboard The calculator has a keyboard with many scientific symbols and function keys built-in, making it easy to perform various calculations and functions. Especially for people who need to perform scientific calculations frequently, this keyboard design can greatly improve their calculation efficiency, such as teachers, engineers, college students, nurses, and accountants .. The Best School Supplies This calculator is very suitable for students in elementary school, junior high school, high school, college, engineers, nurses, and teachers, etc. It can meet their calculation needs in the fields of mathematics, science, and engineering, and help them better understand and apply knowledge. Therefore, as a gift, it can be given to these people who need to perform scientific calculations. ..

Redesigned ES PLUS series calculators featuring easy-to-understand Natural Textbook Display, Non-Programmable Scientific Calculator with 417 Functions. Stylish design but same function as Casio FX-991ESPLUS 1st edition, 10-digit mantissa 2-digit exponential display. Basic Trigonometrical Statistics Functions, and many more functions. Colour coded keypad for easy key differentiation, Simple and easy to use, Comes with new slide on hard case.

Natural Textbook Display provides easy view of calculations. Protective hard case helps prevent damage when stored. Solar power operation ensures consistent use. Perfect for Algebra, calculus, statistics and more.

High Resolution Display to view more data like spreadsheets and 4x4 matrix calculations. Natural Text book display - symbols and numbers appear just as they do in textbook. Numeric IntegrationDifferentiation. 552 functions. Simultaneous and Polynomial Solver. Solar Powered with Battery Backup LR44 Button Cell Battery Included. Rounded keys for easier inputs. 4-tone display makes operation easier. Intuitive navigation with cursor keys. Works with ClassPad.net.

552 FUNCTIONS SCIENTIFIC CALCULATOR Includes spreadsheet, matrix calculations, statistics, calculus, complex number calculations, equation calculations, standard deviation, vector calculations, permutations and combinations. Perfect for Advanced and Beginner courses including Biology, Chemistry, Physics, Finance and Business.. USER FRIENDLY FORMAT Displays formulas and expressions as they appear in textbooks, simplifying learning and problem-solving. This feature ensures that complex equations are presented in a clear, structured manner, making it easier for users to follow along and verify their work, ultimately enhancing accuracy and understanding in both educational and professional settings. LARGE HIGH RESOLUTION SCREEN The high-resolution LCD display is 32 larger than regular two-line calculators, showing intricate details ideal for advanced operations such as spreadsheets and 4x4 matrix calculations. The spacious screen allows graphs and equations to be displayed simultaneously, enhancing the clarity and precision of your work. DUAL POWER SOURCE Features both solar power and a battery backup, guaranteeing continuous performance for crucial calculations, making it reliable and efficient for use in any environment. DURABILITY and QUALITY Engineered with strong materials, SS-991EX withstands extensive use, providing long-term reliability. If your calculator fails to turn on, try pressing the reset button on the back. For further issues, benefit from our 365-day limited warranty. Contact us, and we'll respond within 24 hours.

Admitted to maturity exams. Natural display to insert and display numeric expressions as they appear on textbooks. 24 levels of brackets. Regression and correlation coefficients. Solar Power and Battery.Dimensions 1.5 x 7.5 x 16.2 cm.

The natural display natural-v.p.a.m. It shows mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding because the results are easier to understand..