Top 10 Best Casio 991ex

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.

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..

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.

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.

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.

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.

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..

522 Calculation Functions IPEPUL scientific calculator boasts 522 different calculation functions, spanning trigonometric, exponential, logarithmic, calculus, statistical, and algebraic domains. It supports calculations involving complex numbers, matrices, and vectors, meeting a wide array of scientific and engineering needs.. Secure Locking Key This scientific calculator, equipped with a notepad, facilitates simultaneous calculation and note-taking, thereby enhancing efficiency. The writing screen features a locking key to prevent accidental deletion of written content unlocking the key allows for screen erasure.. Rechargeable Battery and Solar Power Utilizing solar power and Type-C charging, the calculator remains powered anytime, anywhere, eliminating the need for button battery replacements. Suitable for elementary, middle, and high school students, as well as college students, engineers, nurses, and teachers, it ensures uninterrupted usage over extended periods.. Multifunctional Keyboard The calculator is equipped with a keyboard containing scientific symbols and function keys, enabling easy execution of various calculations. Particularly beneficial for professionals such as teachers, engineers, and students who frequently engage in scientific computations, this calculator enhances calculation efficiency.. The Best School Supplies Scientific calculator with writing pad, this is an essential school supplies for middlehigh school and college students, making it the perfect gift for your family to enhance their learning experience and foster a joyful learning environment..

417 FUNCTIONS This scientific calculator boasts 417 function, including algebraic, fraction, derivative, integral, statistical, complex number calculation, linear regression, standard deviation, permutation and combination, and variable solving, similar to operations found in math textbooks. It is well-suited for advanced and basic courses, high school and college students. LARGE DISPLAY SCREEN lts screen is large enough to display four lines of numbers,.making it easier to read than traditional calculators. The written display of expressions allows you tosee the calculation process and results, making it a non-programmable calculator. SOLAR AND BATTERY DUAL POWER SYSTEM The calculator features a dual power systemthat uses both solar and battery power, allowing users to use it anytime, anywhere, without worryingabout battery issues. STABLE AND RELlABLE The scientific calculator is made with high-quality materials, has asturdy and durable exterior, and is easy to operate, with stable and reliable performance. WIDE RANGE OF USERS As an essential school supply, middle school supplies, it is ideal for elementary, middle,and high school students, college students, engineers, nurses, and teachers, among others. lt can meettheir calculation needs in math, science, and engineering felds and help them better understand andapply knowledge. It can also be given to those who need to do scientifc calculations, makingit a practical and meaningful school supplies.