The Anqtovp 991ES MAX scientific calculator in pink combines advanced computing power with a CalcNote LCD writing tablet, making it ideal for high school students, college learners, teachers, and business professionals. Built with a foldable and portable design, this tool slips easily into a pocket for school or work. The multiview four-line display shows four calculations simultaneously on screen to improve efficiency, while the default Natural Textbook MathI input and MathO output mode presents expressions just as they appear in textbooks. Alongside the keypad, the integrated writing tablet includes a stylus pen that enables effortless note-taking during problem-solving sessions. To safeguard notes, users must unlock the lock key for the writing area and erase button to function. The durable anti-drop body undergoes rigorous quality tests to protect against damage from accidental falling. The calculator measures 6.97 x 3.74 x 0.1 inches and weighs 5 ounces, with a product weight of 7 ounces. For dual power reliability, an eco-friendly solar panel utilizes solar energy to prevent power depletion, working alongside an included USB-C charging cable. With 417 functions and memory calculation, this unit supports pre-algebra, algebra 1 and 2, geometry, calculus, statistics, regression, biology, and chemistry. It handles complex numbers, matrices, vectors, tables, equation solving with EQN and SOLVE, and base number systems including binary, octal, decimal, and hexadecimal. Users can switch between fraction and decimal results with the S to D key, or configure settings via SHIFT and MODE to choose MthIO for fractions or LineIO for decimals. Output can also be adjusted by pressing Shift, Function, 1, and selecting 2 for decimal or 3 for linear output. Each package includes one 991ES MAX calculator, one USB-C charging cable, instructions, and an exquisite packing box measuring 7.3 x 3.4 x 0.9 inches with a weight of 0.44 pounds.
This versatile tool provides 417 functions with memory calculations for algebra geometry calculus statistics vectors matrices equation solving biology chemistry and various base number systems
An integrated LCD writing tablet with an included stylus pen lets users jot down notes during calculation while the dedicated lock key must be unlocked to activate the writing area and erase button
The multiview screen displays four calculations simultaneously for efficiency utilizing a default Natural Textbook MathI input and MathO output format to show expressions just like standard textbooks
Dual power operation incorporates an eco-friendly solar panel alongside an included USB-C charging cable to provide dependable power and prevent energy depletion during school or business assignments
Constructed with a rigorously tested anti-drop body to withstand accidental drops this foldable lightweight device weighs just 5 ounces and fits effortlessly inside a pocket for convenient portable carrying
Users can quickly convert calculation results between fractions and decimals using the S to D key or configure initial settings between fraction MthIO and decimal LineIO modes using shift and mode buttons
