The FX-115ESPLSB-WA-IT is an advanced scientific calculator featuring Natural Textbook Display that is an excellent choice for high school and college students learning Algebra II, Trigonometry, Statistics, Calculus, Engineering, and Physics. It is capable of matrix and vector calculations, a complex number mode, and stores 40 scientific constants. Number of digits:10 + 2 digits - Liquid crystal display - Natural textbook display - Dot matrix display - Display format settings: Number Format: Fix Number Format: Sci Number Format: Norm Recurring Decimal Calculations - Engineering Notation - Toggling Calculation Results - Basic Calculations: Bracket Calculation Fraction Calculation Degree, Minute, Second (Sexagesimal) Calculations Reciprocal Calculation Percent Calculation (scientific calculator function) Factorial Function - ? Calculation with ? and ? - Rounding Function Rounding Function (Rnd) -Advanced Calculation: Transcendental number: e Base-n calculation - Logical Operators - Complex number calculation - Matrix calculations - Vector calculations - Differential calculation - Integration calculation - Applied calculation: Multi-statement Command (:) - Continuous Calculation - Replay Function - Multi-replay Function - Remainder Calculation - CALC Function - SOLVE Function - Basic functions: Basic Mathematical Functions - Number of Functions : 252 - Absolute Value Calculation - Power Function (Square) - Power Function (Cube) - Power Function - Power Function (Square Root) - Trigonometric Function - Inverse Trigonometric Function - Hyperbolic / Inverse Hyperbolic Function - Exponential Calculation - Logarithmic Calculation - Log not base 10 - Coordinate Conversion - Combination / Permutation - Prime Factorization - GCD / LCM - Determine the Integer Part - Random Number Generation - Random Integer Generation - Summation - Product Calculation - Other functions: Equation - Inequality Calculations - Expression Equality Check (Verify) - Physics- and chemistry-related functions: Scientific Constants - Metric conversion function - Statistical data: List based STAT-data editor - Statistical calculation: Statistics Function - Basic Statistics - Distribution Calculations - Memory: Variables: 9 - Independent Memory (M / M+ / M-) - Answer Memory - Previous Answer Memory - Memory Protection - Reset Function - Approximate battery life Main 3 years AAA - Auto Power Off