# Variable

Technology / Programming / Variable: Holds values, e.g., integers (int), strings (string) and reals (float, double). Two warnings: (1) declare all variable together at the top of a function and (2) assign values before using.

## Other Words for Variable

Variable Noun Synonyms: changeable, protean, changing, inconstant, varying, wavering, mercurial, fickle, capricious, unsteady, unfixed, unstable, uncertain, undependable, unpredictable, fluctuating, vacillating, mutable, chameleonic, chameleon-like
MORE

### Variable Annuities

Business / Finance / Variable Annuities: An element in a model. For example, in the model RS&Pt+1 = a + b Tbillt + et, where RS&Pt+1 is the return on the S&P in month t+1 and Tbill is the Tbill return at month t, both RS&P and Tbill are 'var MORE

### Zoom Lens (Variable Focal Length)

Technology / Television (TV) / Zoom Lens (Variable Focal Length): A lens with a variable focal length, allowing the operator to shift immediately and continuously from wide angle to telephoto (or vice versa) without switching lenses. MORE

### Normal Random Variable

Business / Finance / Normal Random Variable: A random variable that has a normal probability distribution. MORE

### Discrete Variable

Business / Finance / Discrete Variable: A random variable that can take only a certain specified set of individual possible values-for example, the positive integers 1, 2, 3, . . . MORE

### Variable Assignment

Technology / Programming / Variable Assignment: Variable assignment is the assignment of a value to a variable. For instance: int val:, val = 5:, // assign to val the value 5 before a value is assigned, the variable is null, which means it has no v MORE

### Variable Declaration

Technology / Programming / Variable Declaration: Variable declaration is where a variable is first given a type and a variable name. For instance: int j:, char name[20]:, in c++, the methods and variables that the class will contain are declared in MORE