09:20:14 Create new PHPExcel object
09:20:14 Add some data and formulas
09:20:14 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
09:20:14 Write to Excel2007 format
09:20:14 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0312 seconds
09:20:14 Current memory usage: 4 MB
09:20:14 Peak memory usage: 4 MB
09:20:14 Done writing file
File has been created in C:\AppServ\www\PHPExcelExamples