Product features Non Programmable Non Graphing Number of Functions: 417 Product type Non Programmable Non Graphing Number of digits 10 + 2 digits Liquid crystal display Natural textbook display Dot matrix display Key characteristics Plastic keys Key functions Fast-typing function (2-key rollover) Negative Sign Power Off Memory 9 Variables memory Independent Memory (M / M+ / M-) Answer Memory Memory Protection Reset Function Power supply Solar & Battery Approximate battery life Main 3 years Auto Power Off Size (D × W × H) 161.5 × 77 × 11.1 mm Weight 95 gBasic functions Mathematical functions √, x², x-¹, 1/x, x!, xʸ, x^(1/y) Number of Functions: 417 Absolute Value Calculation Power Function (Square) Power Function (Cube) Power Function Power Function (Square Root) Trigonometric Function sin/cos/tan/sin-1/cos-1/tan-1 Inverse Trigonometric Function Hyperbolic / Inverse Hyperbolic Function Exponential Calculation Logarithmic Calculation Log not base 10 Conversion of polar coordinates into rectangular coordinates and invers Permutation (nPr), Combination (nCr) Random Number Generation Random Integer Generation Summation Other functions Table function: f(x) & g(x) Equation Physics- and chemistry-related functions Scientific Constants Metric conversion function