French speaking. Writing natural fractions and roots. Symbolic notation of Pi in radian calculations. 3 modes for displaying numbers: Normal (FLO), Science (SCI) and Engineering (ING). Units and conversions of angles: 3 units for measuring angles: degrees, radians, degrees. Euclidean division of two integers with representation of the quotient (Q) and the remainder (R). Trigonometry: π, cos, sin and tan with direct access, Arcsin, arccos, arctan access to second. Features square, square root, power and nth root. Advanced math functions in the Math menu: gcd, lcm, rounded, rest, random number, integer, maximum, minimum, absolute. Statistics 1 or 2 variables with the calculation of the total (N), mean, median, 1st and 3rd quartile, the size, are the linear regression ax + b (a, b), the coefficient correlation. Solving equations with two unknowns. Table of the values ​​of a function. Works on 1 CR1220 battery (included).