what is mu in calculator

The "MU" button on a calculator stands for "markup." It is used to calculate the markup percentage, which is the amount added to the cost price to determine the selling price. The markup percentage is commonly used in business environments to calculate gross margin and determine selling prices. By using the MU button, users can easily calculate the selling price, gross margin, mark down percentage, and percentage change, among other calculations. The MU function simplifies these calculations and is a useful tool for business and financial calculations.