Les fonctions numériques

• percentage($value) - Converts a unitless number to a percentage.
• round($value) - Rounds a number to the nearest whole number.
• ceil($value) - Rounds a number up to the next whole number.
• floor($value) - Rounds a number down to the previous whole number.
• abs($value) - Returns the absolute value of a number.
• min($numbers...) - Finds the minimum of several numbers.
• max($numbers...) - Finds the maximum of several numbers.