// SCORE BREAKDOWN
Polished calculator with impressive feature set and OLED optimization, though calculator apps are mature category.
// ABOUT
Calculator Endgame is the most powerful calculator app ever built for iPhone - combining a stunning OLED-optimized design with the full depth of a professional mathematics suite. Whether you are a student, engineer, scientist, or finance professional, every tool you need is right here. CORE CALCULATOR - Standard, Scientific and Programmer modes in one tap - Smart expression parser - type naturally like "3*sin(45)+sqrt(2)" - Full calculation history with search and share - Memory registers (MC, MR, M+, M-) plus named variables - Angle mode toggle: Degrees, Radians, Gradians ALGEBRA ENGINE - Solve linear, quadratic and cubic equations step-by-step - Expression simplification and evaluation - Variable substitution and symbolic computation CALCULUS TOOLKIT - Numerical differentiation and integration - Limit computation and Taylor series expansion - Step-by-step solution breakdowns LINEAR ALGEBRA - 2x2, 3x3 and 4x4 matrix operations - Determinant, inverse, transpose, rank - Matrix addition and multiplication - Dominant eigenvalue and eigenvector - Full 3D vector math: dot product, cross product, angle, normalize STATISTICS AND PROBABILITY - Descriptive statistics: mean, median, mode, variance, standard deviation - Normal, binomial and Poisson distributions - Linear regression with R-squared coefficient FINANCIAL CALCULATOR - Compound interest and loan payments - Net Present Value (NPV) and ROI - Depreciation and amortization schedules GEOMETRY AND UNIT CONVERTER - 2D and 3D shape formulas: area, volume, surface area - Distance, midpoint and angle conversions - 80+ units across 10 categories (length, mass, temperature, energy, speed, and more) SCIENTIFIC CONSTANTS - Full library of physical and mathematical constants - Speed of light, Planck's constant, Avogadro's number, and more - Tap any constant to copy or use in calculations COMPLEX NUMBERS - Full arithmetic in rectangular and polar form - Complex trig, exponential and logarithm functions - Euler's formula visualization PROGRAMMER MODE - Binary, octal, decimal and hexadecimal conversion - 64-bit bit viewer with live updates - Bitwise AND, OR, XOR, NOT, left and right shift GRAPHING ENGINE - Plot multiple functions simultaneously - Pinch-to-zoom and pan gestures - Grid and axis controls MORE TOOLS - Math Notebook: multi-line expression scratchpad - Number Theory: factors, GCD, LCM, primality, Euler's totient - Formula Builder: save and reuse your own formulas - Smart Calculator: natural language math search engine - Full settings panel with history management