# Decimal.Negate() Method in C#

This method is used to get the result of multiplying the specified Decimal value by negative one.

Syntax: public static decimal Negate (decimal a);

Parameter:
a: This parameter specifies the decimal which will be converted.

Return Value: A decimal number with the value of a, but the opposite sign. But zero, if a is zero.

Below programs illustrate the use of Decimal.Negate(Decimal) Method:

Example 1: When a is positive

 `// C# program to demonstrate the ` `// Decimal.Negate(Decimal) Method ` `using` `System; ` `using` `System.Globalization; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main() ` `    ``{ ` ` `  `        ``// Declaring the decimal variable ` `        ``Decimal a = 127.97m; ` ` `  `        ``// using Negate() method; ` `        ``Decimal value = Decimal.Negate(a); ` ` `  `        ``// Display the negative value ` `        ``Console.WriteLine(``"The negative value "``+ ` `                             ``"is : {0}"``, value); ` `    ``} ` `} `

Output:

```The negative value is : -127.97
```

Example 2: When a is negative

 `// C# program to demonstrate the ` `// Decimal.Negate(Decimal) Method ` `using` `System; ` `using` `System.Globalization; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main() ` `    ``{ ` ` `  `        ``// Declaring the decimal variable ` `        ``Decimal a = -12.39m; ` ` `  `        ``// using Negate() method; ` `        ``Decimal value = Decimal.Negate(a); ` ` `  `        ``// Display the value after ` `        ``// using negate method ` `        ``Console.WriteLine(``"The value is : {0}"``, ` `                                        ``value); ` `    ``} ` `} `

Output:

```The value is : 12.39
```

Example 3: If a is zero.

 `// C# program to demonstrate the ` `// Decimal.Negate(Decimal) Method ` `using` `System; ` `using` `System.Globalization; ` ` `  `class` `GFG { ` ` `  `    ``// Main Method ` `    ``public` `static` `void` `Main() ` `    ``{ ` ` `  `        ``// Declaring the decimal variable ` `        ``Decimal a = 0.00m; ` ` `  `        ``// using Negate() method; ` `        ``Decimal value = Decimal.Negate(a); ` ` `  `        ``// Display the Negate value ` `        ``Console.WriteLine(``"The Negate value "``+ ` `                           ``"is : {0}"``, value); ` `    ``} ` `} `

Output:

```The Negate value is : 0.00
```

Reference:

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