If you are using the command line and you enter SPH3, The program places the March contract for the S&P 500 in the first cell designated for symbols on the page, and deletes all symbols following that first symbol. By contrast, if you are using format entry and you enter SPH3, The program places the March contract for the S&P 500 in the first cell designated for symbols on the page and skips a line.The Trailing Comma