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# Worksheet::writeNumber

Worksheet::writeNumber -- Write a double to the specified row and column (zero indexed).

## Synopsis

    require_once "Spreadsheet/Excel/Writer.php";

``void Worksheet::writeNumber` (integer $row, integer $col, float $num [, mixed $format=0])`

## Description

Write a double to the specified row and column (zero indexed). An integer can be written as a double. Excel will display an integer. $format is optional. Returns 0 : normal termination -2 : row or column out of range

## Parameter

- `integer $row` - Zero indexed row

- `integer $col` - Zero indexed column

- `float $num` - The number to write

- `mixed $format` - The optional XF format

## Note

This function can not be called statically.

## Example

Example 37-1. Using writeNumber()

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