PHP Math Exercises : Rounds the specified values with 1 decimal digit precision

Last update on September 09 2017 06:08:12 (UTC/GMT +8 hours)

PHP math: Exercise-2 with Solution

Write a PHP script which rounds the following values with 1 decimal digit precision.

Sample values :
1.65
1.65
-1.54

Sample Solution:

PHP Code:

<?php
echo round( 1.65, 1, PHP_ROUND_HALF_UP)."\n";   //  1.7
echo round( 1.65, 1, PHP_ROUND_HALF_DOWN)."\n"; //  1.6
echo round(-1.54, 1, PHP_ROUND_HALF_EVEN)."\n"; // -1.5
?>

Sample Output:

1.7                                                         
1.6                                                         
-1.5

Flowchart :

$Flowchart: Rounds the specified values with 1 decimal digit precision$

PHP Code Editor:

<?php
echo round( 1.65, 1, PHP_ROUND_HALF_UP)."\n";   //  1.7
echo round( 1.65, 1, PHP_ROUND_HALF_DOWN)."\n"; //  1.6
echo round(-1.54, 1, PHP_ROUND_HALF_EVEN)."\n"; // -1.5
?>

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