Arithmetic operators
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  • What you'll learn
    • ✓What are arithmetic operators in C++ with example?
    ✓What is operator in C++ with example?
    ✓What are arithmetic operators with examples?
    ✓How to take an arithmetic operator as input in C++?
    ✓C++ : Display various type or arithmetic operation
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  • C++ arithmetic operators: o + addition o - subtraction o * multiplication o / division o % modulus operator +, -, *, and / can be used with integral and floating-point data types. % can be used only with integral data types. Operators can be unary or binary. Order of Precedence o All operations inside of () are evaluated first o *, /, and % are at the same level of precedence and are evaluated next o + and – have the same level of precedence and are evaluated last o When operators are on the same level: performed from left to right (associativity) 3 * 7 - 6 + 2 * 5 / 4 + 6 means (((3 * 7) – 6) + ((2 * 5) / 4 )) + 6 Expressions o If all operands are integers, expression is called an integral expression and yields an integral result, for example: 2 + 3 * 5 o If all operands are floating-point, expression is called a floating-point expression and yields a floating-point result, for example: 12.8 * 17.5 - 34.50 o If the expression has operands of different data types (integers and floating-point), expression is called mixed expression, examples of mixed expressions are : 2 + 3.5 6 / 4 + 3.9 5.4 * 2 – 13.6 + 18 / 2
  • The assignment statement takes the form: Variable = Expression Expression is evaluated and its value is assigned to the variable on the left side In C++, = is called the assignment operator.
  • Arithmetic Operators in C++ are used to perform arithmetic or mathematical operations on the operands. For example, '+' is used for addition, '–' is used for subtraction, '*' is used for multiplication, etc
  • Operators are symbols that perform operations on variables and values. For example, + is an operator used for addition, while - is an operator used for subtraction. Operators in C++ can be classified into 6 types: Arithmetic Operators.
  • Operator Type Example + Addition 7+3=10 − Subtraction 7−=4 * Multiplication 7*3=21 / Division 9/3=3
  • To take operators (like +,-,*,/ etc) as user input, we can use a char datatype to read the operator as a character using cin and then validate whether the entered operator is valid or not using a switch or conditional statements.
  • Computer arithmetic is a branch of computer engineering that deals with methods of representing integers and real values (e.g., fixed- and floating-point numbers) in digital systems and efficient algorithms for manipulating such numbers by means of hardware circuits or software routines.
  • In C++, Arithmetic Operators are symbols used to perform common arithmetic operations like addition, subtraction, multiplication, division, modulus, etc. Arithmetic Operators are operators which are used within the equation to perform a number of basic mathematical calculations.
  • Shortcut Operation Description += Add a value to a variable. -= Subtract a value from a variable. *= Multiply a variable by a value. /= Divide a variable by a value.
  • What is the Order of Arithmetic Operations? The order in which arithmetic operations need to be performed in an expression is known as PEMDAS or BODMAS. This rule clearly states that the order to perform operations is parentheses, exponents, multiplication or division, and addition or subtraction.

Requirement

Arithmetic operators are used to perform arithmetic operations on variables and data. For example,Here, the + operator is used to add two variables a and b. Similarly there are various other arithmetic operators in C++. Operator Operation + Addition - Subtraction * Multiplication / Division % Modulo Operation (Remainder after division)

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