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Formatting Numeric Results Table (C# Reference)

You can format numeric results by using the String.Format method, or through the Console.Write or Console.WriteLine method, which calls String.Format. The format is specified by using format strings. The following table contains the supported standard format strings. The format string takes the following form: Axx, where A is the format specifier and xx is the precision specifier. The format specifier controls the type of formatting applied to the numeric value, and the precision specifier controls the number of significant digits or decimal places of the formatted output.

For more information about standard and custom formatting strings, see Formatting Overview. For more information about the String.Format method, see String.Format.

Character

Description

Examples

Output

C or c

Currency

Console.Write("{0:C}", 2.5);

Console.Write("{0:C}", -2.5);

$2.50

($2.50)

D or d

Decimal

Console.Write("{0:D5}", 25);

00025

E or e

Scientific

Console.Write("{0:E}", 250000);

2.500000E+005

F or f

Fixed-point

Console.Write("{0:F2}", 25);

Console.Write("{0:F0}", 25);

25.00

25

G or g

General

Console.Write("{0:G}", 2.5);

2.5

N or n

Number

Console.Write("{0:N}", 2500000);

2,500,000.00

X or x

Hexadecimal

Console.Write("{0:X}", 250);

Console.Write("{0:X}", 0xffff);

FA

FFFF

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