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Specifications Number of functions Power supply (Main) Power supply (Backup) Approximate battery life Main (hours) Approximate battery life Backup (years) Dimensions HxWxD(mm) Approximate weight (g) Case style Dot matrix display Display capacity (characters) Mantissa + exponent digits Icon menus Internal operation digits Nested parentheses levels (Over 1,500) MAx4 140 (LRO3)* 21 x 84 x 189.5 280 Snap-on hard 160 x 240 dots 20 x 17 10+3 o 15 Up to memory Over 1,500 AAA x4 CR2032 x 1 140 (R03)**/ 230 (LRO3)** 2 19.5 x 82 x 178 213 Slide-on hard 64 x 128 dots 21x8 10+2 o 15 26 Programming Functions Program logic Memory (bytes) Program areas Storage memory area (Flash memory) Built-in formulas @ (BASIC-like) 515,000 Up to memory 5.3MB @ (BASIC-like) 146,000 Up to memory 768KB Utilities Natural textbook display / NATURAL-V.P.A.M. Key rollover function Replay function Multi-replay functions Replay copy Backspace CALC function SOLVE function Answer function Variables Onboard function manual Syntax help Auto power off o o (History) (History) Up to memory | 506 | Special Features Base-r calculations (Binary/Octal/Hexadecimal) Logical operations Engineering symbol calculations Engineering notation (ENG/ENG) Scientific constants Metric conversions CAS Computer Algebra System Basic Functions Trigonometric, inverse trigonometric (sin/cos/tan/sin ‘/eos ‘an *) Hyperbolic, inverse hyperbolic (sinh/cosh/tanh/sinh”*/cosh”*/tanh*) Exponential, logarithmic (log, In, 10°, e”) Base specified logarithmic Power and radical root ( x/X-/ ) Fraction Percentage calculation (%) Rounding Simplification Integer division GCD/LCM Sexagesimal <> decimal Display format (FIX, SCI) Angle unit (Deg, Rad, Grad) Angle unit conversion (Deg, Rad, Grad) Factorization into prime factors Ratio calculation ee Calculus Differentiation calculation Integration calculation Algebra Simultaneous equation Polynomial equation Inequality calculation Table function Matrix calculations Complex number calculation @ (30 unknowns) @ (Degree 2-30) Geometry Geometry Application Coordinate conversion (Pol, Rec) Vector calculations Probability Combination, permutation (7:67, Pr) Statistics Random numbers Random integers List-based STAT data editor Standard deviation Regression analysis Linear regression ab Exponential regression Advanced statistics Other regressions Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst Med, Quad, Cubic, Quart, Log, Exp, Pwr, Sin, Lgst Finance Financial function Spreadsheet Spreadsheet Others eActivity Data communication Others o o Picture, Presentation, 3D graph, DiffEq Graph Recursions *! Continuous operation (assuming 5 minutes calculation and 55 minutes display per hour) ** Continuous display of main menu **Changes when OS is updated