**Calculator** is the name of the Spreadsheet program used in Official work. An
electronic hardware device with master Program which capable of performing
mathematical calculations such as addition, multiplication, subtraction, or
division. A **Calculator **have a micro chip with set of program which
calculates the input values and print output on calculator screen. A **Calculator** is a device that performs arithmetic operations on numbers. The simplest **Calculator **can do only addition, subtraction, multiplication, and division. More sophisticated

**Calculator**can handle exponential operations, roots, logarithm s, trigonometric functions, and hyperbolic functions. Internally, some

**actually perform all of these functions by repeated processes of addition.**

Calculator

Calculator