During CalcLab Open Hours, staff will open rooms BLOC 130, 127, 125, 131 in that order as demand requires. Open Hours are Monday-Thursday, 19:00-24:00; Friday, 10:00-17:00 (room 127 only); Saturday, 12:00-18:00; and Sunday, 12:00-24:00. You can also access your CalcLab account at any time from any of the TAMU open access computer laboratories by using the X-Win emulator.