The higher the number of iterations, the more time Excel needs to calculate the worksheet. In the Maximum Change box, type the amount of variation you will accept between calculation results.

Q. I have an Excel spreadsheet that contains errors because some of the numbers that are part of the calculations are blank or zero. Is there a way to have Excel automatically return something instead ...

If the ERROR.TYPE function in Excel not working for you, ensure the formula is correct, check for errors in the referenced cell, or repair Excel.