Multiplier

From Wikipedia, the free encyclopedia

The term multiplier may refer to:

In electrical engineering:

• Digital multiplier, a digital circuit that multiplies two numbers in a digital system.
• Analog multiplier, a device that multiplies two analog signals.

In macroeconomics:

• Spending/income multiplier effect, an effect that occurs when a change in spending causes a disproportionate change in aggregate demand.
• Money multiplier, a term that represents the maximum amount of money that the banking system generates with each dollar of excess reserves.

In warfare:

• Force multiplier, a factor that dramatically increases the combat-effectiveness of a given military force.

In mathematics:

• Lagrange multiplier, a scalar variable used in mathematics to solve an optimisation problem for a given constraint.
• Fourier multiplier, an operator that multiplies the Fourier coefficients of a function by a specified function (known as the symbol).

In fishing:

• A multiplier reel creates less friction when casting.