Leaderboard
10,033 things · 1,900 votes cast · cast a vote
All | Arts | Biology and health sciences | Everyday life | Geography | History | Mathematics | People | Philosophy and religion | Physical sciences | Society and social sciences | Technology
| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 201 |  | Multiplication | Arithmetical operation | Mathematics | +0 / -0 / 0 | 0.500000 |
| 202 | Multivariable calculus | Calculus of functions of several variables | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 203 | Naive set theory | Informal set theories | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 204 |  | Negative number | Real number that is strictly less than zero | Mathematics | +0 / -0 / 0 | 0.500000 |
| 205 | Non-Euclidean geometry | Two geometries based on axioms closely related to those specifying Euclidean geometry | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 206 | Nonlinear programming | Solution process for some optimization problems | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 207 |  | Normal distribution | Probability distribution | Mathematics | +0 / -0 / 0 | 0.500000 |
| 208 |  | Nth root | Arithmetic operation, inverse of nth power | Mathematics | +0 / -0 / 0 | 0.500000 |
| 209 |  | Number theory | Branch of pure mathematics | Mathematics | +0 / -0 / 0 | 0.500000 |
| 210 |  | Numeral system | Notation for expressing numbers | Mathematics | +0 / -0 / 0 | 0.500000 |
| 211 |  | Numerical analysis | Methods for numerical approximations | Mathematics | +0 / -0 / 0 | 0.500000 |
| 212 | Numerical digit | Symbols used to write numbers | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 213 |  | Numerical integration | Methods of calculating definite integrals | Mathematics | +0 / -0 / 0 | 0.500000 |
| 214 | Observational study | Study with uncontrolled variable of interest | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 215 |  | Open set | Basic subset of a topological space | Mathematics | +0 / -0 / 0 | 0.500000 |
| 216 | Operations research | Discipline concerning the application of advanced analytical methods | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 217 | Order of operations | Performing order of mathematical operations | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 218 |  | Ordinary least squares | Method for estimating the unknown parameters in a linear regression model | Mathematics | +0 / -0 / 0 | 0.500000 |
| 219 | P-value | Function of the observed sample results | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 220 |  | Parametric equation | Representation of a curve by a function of a parameter | Mathematics | +0 / -0 / 0 | 0.500000 |
| 221 |  | Parity (mathematics) | Property of being an even or odd number | Mathematics | +0 / -0 / 0 | 0.500000 |
| 222 | Partial derivative | Derivative of a function with multiple variables | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 223 |  | Partial differential equation | Type of differential equation | Mathematics | +0 / -0 / 0 | 0.500000 |
| 224 |  | Percentage | Number or ratio expressed as a fraction of 100 | Mathematics | +0 / -0 / 0 | 0.500000 |
| 225 | Pi | Number, approximately 3.14 | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 226 | Plane (mathematics) | 2D surface which extends indefinitely | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 227 | Poincaré conjecture | Theorem in geometric topology | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 228 |  | Point (geometry) | Fundamental object of geometry | Mathematics | +0 / -0 / 0 | 0.500000 |
| 229 |  | Poisson distribution | Discrete probability distribution | Mathematics | +0 / -0 / 0 | 0.500000 |
| 230 | Polygon | Plane figure bounded by line segments | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 231 |  | Polyhedron | Flat-sided three-dimensional shape | Mathematics | +0 / -0 / 0 | 0.500000 |
| 232 | Polynomial | Type of mathematical expression | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 233 |  | Positional notation | Method for representing or encoding numbers | Mathematics | +0 / -0 / 0 | 0.500000 |
| 234 |  | Prime number | Number divisible only by 1 and itself | Mathematics | +0 / -0 / 0 | 0.500000 |
| 235 | Prime number theorem | Characterization of how many integers are prime | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 236 |  | Probability | Number measuring the chance an event occurs | Mathematics | +0 / -0 / 0 | 0.500000 |
| 237 |  | Probability density function | Description of continuous random distribution | Mathematics | +0 / -0 / 0 | 0.500000 |
| 238 | | Probability distribution | Mathematical function for the probability a given outcome occurs in an experiment | Mathematics | +0 / -0 / 0 | 0.500000 |
| 239 | | Probability theory | Branch of mathematics concerning probability | Mathematics | +0 / -0 / 0 | 0.500000 |
| 240 | Propositional logic | Branch of logic | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 241 |  | Pure mathematics | Mathematics independent of applications | Mathematics | +0 / -0 / 0 | 0.500000 |
| 242 |  | Pythagorean theorem | Relation between sides of a right triangle | Mathematics | +0 / -0 / 0 | 0.500000 |
| 243 | Quadratic equation | Polynomial equation of degree two | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 244 |  | Quadrilateral | Four-sided polygon | Mathematics | +0 / -0 / 0 | 0.500000 |
| 245 | | Random variable | Variable representing a random phenomenon | Mathematics | +0 / -0 / 0 | 0.500000 |
| 246 |  | Randomized controlled trial | Form of scientific experiment | Mathematics | +0 / -0 / 0 | 0.500000 |
| 247 | Real analysis | Mathematics of real numbers and real functions | Mathematics | +0 / -0 / 0 | 0.500000 | |
| 248 |  | Representation theory | Branch of mathematics that studies abstract algebraic structures | Mathematics | +0 / -0 / 0 | 0.500000 |
| 249 |  | Riemann hypothesis | Conjecture on zeros of the zeta function | Mathematics | +0 / -0 / 0 | 0.500000 |
| 250 |  | Riemann surface | One-dimensional complex manifold | Mathematics | +0 / -0 / 0 | 0.500000 |
Last updated just now