03 Formulas

14:33:38 Create new Spreadsheet object
14:33:38 Set document properties
14:33:38 Add some data
14:33:38 Sum of Range #1 is 23
14:33:38 Sum of Range #2 is 33
14:33:38 Sum of both Ranges is 56
14:33:38 Minimum value in either Range is 3
14:33:38 Maximum value in either Range is 17
14:33:38 Average value of both Ranges is 9.3333333333333
14:33:38 Rename worksheet

Fatal error: Class 'XMLWriter' not found in /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php on line 5