For FX-991ES Plus 1st Edit Functional Scientific 10+2 Digit Calculator for Students Features: Standard scientific functions with a total of 417 built-in functions. Supports table generation, fraction calculations, combination and permutation operations, and statistical computations. Includes advanced calculation modes such as equation solving, matrix operations, vector calculations, differential calculus, integration, and complex number support. Equipped with a high-definition dot matrix display for clear visualization of mathematical expressions. Unique display supports 10 digits plus 2-digit exponents, allowing coefficients and powers to be shown simultaneously. Textbook display functionality enables natural representation of mathematical formulas similar to those found in textbooks. Ideal for students and suitable for use in various academic environments. Specifications: Type: Scientific Calculator Model: For fx-991ES Plus Number of Functions: 417 Power Source: Button Battery (Non-solar) Color: Blue Textbook Display: Yes Digit Display: 10 + 2 Package Includes: 1 x Calculator