Hi Teacher, What version of Word are you using and are you referring to the http://mathtype.com product, the original MS Equation Editor, or the Word 2007 Equation feature (Insert=>Equation)? =========== <<"BHSmathteacher" wrote in message news:F11497C4-AE51-4EC4-A556-69B577A0DEBE@microsoft.com... Sometimes when I type a math type equaton, it does not print.Why?>> -- Bob Buckland ?:-) MS Office System Products MVP *Courtesy is not expensive and can pay big dividends*