For FX-991ES Plus 2nd Edit Functional Scientific 10+2 Digit Calculator Student Features: 1.There are 417 different functions in the product, which enriches the standard functions with many scientific competencies.Tables, fractions, combinations, permutations and statistics calculations make up standard functions. 2.In addition to the above, random integers and a new equation mode are also added to the calculator, which adds to difference calculations with its new features.In addition, integration, matrix, vector, differential and complex number calculations are offered to the user. 3.Another of the privileges that bring the usage to a perfect level is the special screen.The calculator's high resolution display features a dot matrix.The unique display can display exponential of a 2-digit number along with a 10-digit coefficient. 4.The for FX-991ES Plus Calculator also offers a textbook display.With the Natural VPAM screen, all expressions can be converted into textbook format. 5.Note: This product is a replacement product in the market, not the original product. In addition, the product comes with a logo, hope you don't mind before ordering, thank you! Specification: Type: Scientific Calculator Number of Functions: 417 Power Source:Battery Textbook Screen: Yes Digit Display: 10 + 2 Package Includes: 1x For FX-991ES Plus Calculator Note: 1. Please allow 1-3cm error due to manual measurement. Please make sure you don't mind before ordering. 2. Please allow 1-3g weight error. Please make sure you don't mind before ordering. 3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!