code/Debug/Block/Abstract.php
public function formatNumber($number, $precision = 2)
    {
        return $this->helper->useStoreLocale() ? $this->helper->formatNumber($number, $precision) : number_format($number, $precision);
    }
public function formatNumber($number, $precision = 2)
    {
        return $this->helper->useStoreLocale() ? $this->helper->formatNumber($number, $precision) : number_format($number, $precision);
    }
public function formatNumber ( $ number , $ precision = 2 ) { return $ this -> helper -> useStoreLocale ( ) ? $ this -> helper -> formatNumber ( $ number , $ precision ) : number_format ( $ number , $ precision ) ; }
Returns number formatted based on current locale

@param mixed $number
@param int   $precision
@return string
Returns number formatted based on current locale