The Anqtovp 991ES MAX Scientific Calculator combines advanced computing with an LCD writing tablet and stylus pen, creating an efficient tool for high school, college students, teachers, and business professionals. Featuring 417 functions, it handles general math, science, Pre-Algebra, Algebra 1 and 2, Geometry, Statistics, regression calculations, and Calculus. It accommodates coursework including Biology, Chemistry, complex numbers, and specific number systems such as BASE-N, binary, octal, decimal, and hexadecimal. Dedicated modes for EQN, MATRIX, TABLE, VECTOR, and SOLVE combine with a practical memory function to simplify complex calculations. The Multiview display shows four calculations simultaneously on screen to boost computational efficiency. Default MathI input and MathO output modes preserve decimal data integrity while presenting expressions in Natural Textbook format just like textbook equations. Users can adjust settings by pressing [Shift], [Function], [1], and selecting [2] for decimal mode or [3] for linear output. In addition, fraction and decimal conversions can be completed instantly with the S=D key, or configured by pressing [SHIFT], then [MODE], and choosing MthIO for fractions or LineIO for decimals. This foldable black unit integrates an LCD writing tablet and stylus pen so you can take notes directly during calculations. Note that the writing area and erase button only operate when the LOCK KEY is unlocked. Dual power operation is supported by an integrated solar panel powered by solar energy alongside the included USB-C charging cable. Built with an anti-drop body tested for high durability, the calculator measures 6.97 x 3.74 x 0.1 inches and weighs only 5 ounces with a product weight of 7 ounces. The package measures 7.7 x 3.8 x 1.1 inches at 0.44 pounds and includes one 991ES MAX calculator, one USB-C charging cable, instructions, and an exquisite packing box.
This versatile scientific calculator features 417 functions including Pre-Algebra Algebra Geometry Calculus Statistics EQN MATRIX TABLE and VECTOR along with a practical memory function for advanced coursework
An integrated LCD writing tablet notepad with an included stylus pen lets you jot notes during calculations with an unlockable lock key designed to activate the writing surface and erase button
The multiview four-line display shows four calculations simultaneously on screen to enhance computational efficiency while presenting textbook style Natural Textbook expressions for clear data viewing
Dual power operation utilizes a built-in solar panel alongside solar energy capture and an included USB-C charging cable to maintain continuous power without interruptions during school or work
Users can quickly convert fractions and decimals using the S to D key or configure settings via SHIFT and MODE buttons to easily select between MthIO fraction output and LineIO decimal output
Engineered with a tested anti-drop body this foldable black unit measures 6.97 x 3.74 x 0.1 inches and weighs only 5 ounces making it convenient to slip into your pocket for business and classes
