ROATEE 991ES MAX Scientific Calculator | with LCD Writing Tablet, Rechargeable, Pink | 417 Functions

Product Description

The Rechargeable ROATEE 991ES MAX Scientific Calculator is designed to meet the needs of students, teachers, and professionals with its innovative design and advanced features. This multifunctional calculator features a 4-line LCD writing tablet with CalcNote Multiview technology, allowing you to take notes while calculating and easily follow complex operations. Thanks to its foldable and portable design, you can easily take it anywhere. It is an ideal companion to accompany you in your business, school, and university life. This calculator, which attracts attention with its pink color, is both stylish and functional. With 417 different functions, it helps you in general mathematics, science, algebra, geometry, statistics, calculus, and many other fields. It includes many features such as fraction and decimal conversions, operations with complex numbers, equation solving, and matrix operations. It is also suitable for scientific calculations such as biology and chemistry. Thanks to the built-in memory function, you can easily recall and reuse your previous calculations. The use of the LCD writing tablet is also extremely practical. You can take notes, write formulas, or make drawings while calculating. To erase your notes, all you have to do is press the erase button. Remember that the LOCK key must be unlocked for the writing area and erase button to work. Having a dual power source is also a great advantage. It can work with both solar energy and a rechargeable battery. The rechargeable battery reduces the frequency of battery replacement and is environmentally friendly. Thanks to solar energy, you will not experience a problem such as running out of battery. Thanks to its highly durable anti-drop body, it will not be damaged even in accidental drops. Weighing only 5 ounces, it fits easily into your pocket and can be easily carried anywhere. The Rechargeable ROATEE 991ES MAX Scientific Calculator makes your learning and working processes easier by offering you both calculation and note-taking capabilities.

Product Features

• 417 different functions
• CalcNote Multiview 4-line LCD writing tablet
• Foldable and portable design
• Dual power source (solar energy and rechargeable battery)
• High durability with anti-drop body
• Fraction and decimal conversions
• Operations with complex numbers
• Equation solving, matrix operations
• Built-in memory function
• Weighs only 5 ounces
• Suitable for general mathematics and science, algebra, geometry, statistics, calculus, biology, chemistry
• LCD writing tablet that offers the possibility to take notes and draw
• Stylish pink color
• Calculation in special number systems such as BASE-N, binary, octal, decimal, hexadecimal
• Vector and table operations

Additional Information

The product includes the 991ES MAX scientific calculator, USB-C charging cable, user manual, and special packaging box. The calculator's default input/output mode is MathI/MathO. This mode is designed to maintain data integrity when working with decimals and to display expressions as in textbooks. If you want to change the output to a different mode, you can follow these steps: [Shift] → [Function] → [1] (select input/output mode) → [2] (decimal output mode) or [3] (linear output mode). Please refer to the user manual for further operations.

Scientific Calculator, LCD Writing Tablet, ROATEE 991ES MAX, Rechargeable Calculator, Pink Calculator, Foldable Calculator, CalcNote Multiview, 417 Function, Math Calculator, Note Taking Calculator