use SCL\Currency\CurrencyFactory;
$factory = CurrencyFactory::createDefaultInstance();
$sterling = $factory->create('GBP');
use SCL\Currency\CurrencyFactory;
use SCL\Currency\MoneyFactory;
$factory = MoneyFactory::createDefaultInstance();
$factory->setDefaultCurrency(CurrencyFactory::createDefaultInstance()->create('GBP'));
$money = $factory->createFromValue(1.00);