👉 Calculations are mathematical operations that involve numbers, symbols, and variables. These calculations can be performed on various types of data such as integers, decimals, or complex values. Calculations are used in a wide variety of fields including science, engineering, finance, medicine, and more. For example, in statistics, the mean (average) is calculated by adding all the numbers together and dividing by the total number of numbers. Similarly, in finance, the average return on investment is calculated by taking the