<?php
use gries\NumberSystem\HexadecimalSystem;
use gries\NumberSystem\Number;
require_once __DIR__ . '/../vendor/autoload.php';
$number = new Number(15);
// the default system is decimal
$hexNumber = new Number('FF', new HexadecimalSystem());
echo $number->add($hexNumber)->value();
// 270 (15 + 255)
echo $hexNumber->add($number)->value();
// 10E (F + FF)
