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[Arithmetic Operators]

Description

Division is one of the four primary arithmetic operations. The operator / (slash) operates on two operands to produce the result.

Syntax

result = numerator / denominator;

Parameters

result: variable. Allowed data types: intfloatdoublebyteshortlong.
numerator: variable or constant. Allowed data types: intfloatdoublebyteshortlong.
denominatornon zero variable or constant. Allowed data types: intfloatdoublebyteshortlong.

Example Code

int a = 50;
int b = 10;
int c = 0;
c = a / b;  // the variable 'c' gets a value of 5 after this statement is executed

Tips

  1. If one of the numbers (operands) are of the type float or of type double, floating point math will be used for the calculation.
  2. If the operands are of float / double data type and the variable that stores the result is an integer, then only the integral part is stored and the fractional part of the number is lost.
float a = 55.5;
float b = 6.6;
int c = 0;
c = a / b;  // the variable 'c' stores a value of 8 only as opposed to the expected result of 8.409

Language Reference Home

The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.

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