**Multiplier** may refer to:

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## Mathematics

- Multiplier (coefficient), the number of multiples being computed in multiplication, also known as a coefficient in algebra
- Lagrange multiplier, a scalar variable used in mathematics to solve an optimisation problem for a given constraint
- Multiplier (Fourier analysis), an operator that multiplies the Fourier coefficients of a function by a specified function (known as the symbol)
- Multiplier of orbit, a formula for computing a value of a variable based on its own previous value or values; see Periodic points of complex quadratic mappings
- Characteristic multiplier, an eigenvalue of a monodromy matrix
- Multiplier algebra, a construction on C*-Algebras and similar structures

## Electrical engineering

- Binary multiplier, a digital circuit to perform rapid multiplication of two numbers in binary representation
- Analog multiplier, a device that multiplies two analog signals
- Frequency multiplier, a device that generates a signal at an integer multiple of its input frequency
- Voltage multiplier, an electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage.
- Schweigger multiplier, an early galvanometer

## Macroeconomics

- Multiplier (economics), any measure of the proportional effect of an exogenous variable on an endogenous variable
- Fiscal multiplier, the ratio of the change in aggregate demand to the change in government spending that caused it
- Money multiplier, the ratio of the money generated by the banking system to the central bank's increase in the monetary base that caused it

## Others

- Force multiplier, in warfare a factor that dramatically increases the combat-effectiveness of a given military force
- A multiplier fishing reel creates less friction when casting
- A CPU multiplier allows a CPU to perform more cycles per single cycle of the front side bus
- Multiplier (linguistics), an adjective indicating number of times something is to be multiplied
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This page was last edited on 9 July 2020, at 23:17