Allowed for use during state exams. LCD VPAM display (no hassle), 192x63 pixels. 552 functions, icons. Calculators, QR code. Systems up to 4 equations. 4x4 matrices. Vectors, integration, differentiation. Probabilities. Technical symbols. Complex numbers, N basis, sum. 47 scientific constants. 40 metric conversions. Automatic parentheses (24 levels). Variable memories (9). Logarithms, exponents, degrees, and roots. Combinatorics and quotients. Decomposition into prime numbers. Random integers. Fraction (2 modes). Degrees, gradian, radian. List, 1 variable and 2 variable (regression) statistics. Standard deviation, interest. Unnatural input, output with √ and Π. Battery LR44. 3 m warranty.