There are two versions of TYNEE calculator enclosed in this ZIP file. TYNCALC is for VGA screens (640 x 480 resolution). TYNCALCX is for XGA or 8514 screens (1024 x 728 resolution). Since these programs were written in Microsoft's Visual Basic, you must have file VBRUN100.DLL in your \WINDOWS directory or in the DOS path for the programs to function. VBRUN100.DLL is available free on Compuserve forum WINADV. It is also supplied with other programs and may already be on your system. Michael Wilson CIS 71261,63