Best Renus in 2026

RENUS Professional grade scientific calculator,Easily handles 1 and 2 variable statistical calculations, three angle modes(degrees,radians, and grads), and scientific/engineering notation modes,Perfect for High School and College math.

Calculation records can be read ,it will reduce double-counting and improve working efficiency.

2-line,12-digit widescreen HD display support superscripts function,Facilitate our calculations

Two-way Power: Solar and Battery

Large 8 digit display

Desktop calculator

Product 1: High-resolution LCD shows more of your work to minimize scrolling

Product 1: Advanced calculations let you quickly work through multi-step problems

Product 1: Online Visualization provides fast representation of data for entire class

[LARGE DISPLAY] - The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing.

[SENSITIVE AND BIG BUTTONS] - Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.

[DUAL POWER DESIGN] - This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power up the calculator thoroughly.

[EASY-TO-USE DESIGN] - With its large screen, this CATIGA calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.

[LARGE RESPONSIVE BUTTONS] - Its spacious button size ensures that your fingers are much less likely to hit the wrong number, all while typing with a satisfying feeling.

[ROBUST BUILD] - Built with a sturdy and premium plastic body, the CATIGA Office Calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.

[EASY-TO-USE DESIGN] - With its large screen, this CATIGA calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.

[LARGE RESPONSIVE BUTTONS] - Its spacious button size ensures that your fingers are much less likely to hit the wrong number, all while typing with a satisfying feeling.

[ROBUST BUILD] - Built with a sturdy and premium plastic body, the CATIGA Office Calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.

[GIANT CLEAR DISPLAY] ​- Large 5 Inch and clear 12-digit display screen allows for easy readability and usage, relieving any strain on your eyes.

[USEFUL FUNCTIONS] ​- Grand Total/Markup/Memory Clear and Recall/Memory Add/Subtract Function keys help with basic and complex calculations.

[LARGE EASY TO USE DESIGN] ​- Large buttons and Easy To Read Display make it simple and convenient to use, whether at home or the office.

[LARGE DISPLAY] - The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing.

[SENSITIVE AND BIG BUTTONS] - Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.

[DUAL POWER DESIGN] - This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power up the calculator thoroughly.

[EASY-TO-USE DESIGN] - With its large screen, this CATIGA calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.

[LARGE RESPONSIVE BUTTONS] - Its spacious button size ensures that your fingers are much less likely to hit the wrong number, all while typing with a satisfying feeling.

[ROBUST BUILD] - Built with a sturdy and premium plastic body, the CATIGA Office Calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.

[EASY-TO-USE DESIGN] - With its large screen, this CATIGA calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.

[LARGE RESPONSIVE BUTTONS] - Its spacious button size ensures that your fingers are much less likely to hit the wrong number, all while typing with a satisfying feeling.

[ROBUST BUILD] - Built with a sturdy and premium plastic body, the CATIGA Office Calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.

Casio fx-83 is the UK's best-selling Scientific calculator for Secondary School education

Fx-83gtx is the new upgraded version of the fx-83gtplus

Allowed in every UK exam where a calculator can be used

Two-way Power: Solar (works only when it is bright) and Battery (one AA battery NOT included). Note: Make sure one AA battery is inserted for continuous and accurate usage

Large 12-digit display

Tax and Currency conversion, Function and Command Signs

Color graphing Calculator with High resolution LCD display (over 65, 000 colors)

Natural textbook display

Picture plot technology/ Real life images

Sold as 1 Each.

Designed with unique features to allow you to enter more than one calculation, compare results and explore patterns, all on the same screen. Enter and view calculations in common Math Notation via the MATHPRINT Mode, including stacked fractions, exponents, exact square roots and more.

Quickly view fractions and decimals in alternate forms by using the Toggle Key.

Sold as 1 EA.

Advanced scientific calculator is ideal for engineers, students and professionals. MultiViewTM display allows you to view multiple calculations at the same time.

MathPrintTM feature shows math expressions, symbols and stacked fractions as they appear in textbooks.

Large contoured keys and angled SuperView display makes this a good choice for home, office, school or retail. Change sign (+/-) key simplifies entry of negative numbers.

Square root key is useful for schoolwork.

Dual solar/battery power for use in any lighting condition.

4-line display enables scrolling and editing of inputs

Same functionality as the TI-34II Explorer plus display and feature enhancements

MATHPRINT mode for input in math notation, including pi, square roots, fractions, percent's and exponents plus math notation output for fractions

Extra Large 12 Digit Display

Cost/Sell/Margin & Tax Keys

Desktop Calculator with kick stand

"Extra-large, fixed LCD displays crisp digits to prevent reading errors"

Durable keys are comfortably spaced for accurate data entry

Cost-sell-margin keys allow quick profit margin calculations

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, Review/edit previous entries, Random Number Generator.

2-function Table of values [f(x), g(x)], Statistics and Linear Regression, Integer Division with a Remainder.

Natural Textbook Display provides easy view of calculations

Protective hard case helps prevent damage when stored

Solar power operation ensures consistent use

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, Review/edit previous entries, Random Number Generator.

2-function Table of values [f(x), g(x)], Statistics and Linear Regression, Integer Division with a Remainder.

Sold as 1 EA

03331719036200

Product 1: 16 digit 4 line LCD display

Product 1: Natural textbook display shows expressions and results exactly as they appear in the textbook

Product 1: Over 280 functions, including fractions, statistics, complex number calculations, base arithmetic, linear regression, standard deviation, computer science, and polar-rectangular conversions

Scientific calculator

Solar powered

Natural Text book display

Texas Instruments TI30XA Scientific Calculator - 10 Character(s) - Battery Powered - 6" x 3.1" x 0.8" - Black

Admitted to maturity exams

Natural display to insert and display numeric expressions as they appear on textbooks

24 levels of brackets

New display upgrade--the new HP 50g display features a 30% increase in usable space over the HP 49g+

New powerful SD card slot allows you to format your card right in the calculator and expand memory

Massive 2.5 MB total memory--512 KB RAM plus 2 MB flash ROM for performing future upgrades**