The Lotus 1-2-3 Release 3.1 Reference User's Guide is a vintage manual for the Lotus software, providing detailed instructions and information for users. Published in 1990 in the United States, this paperback guide serves as a valuable resource for those looking to learn more about the Lotus 1-2-3 software and its features. With its focus on the Lotus brand and specific version of the software, this manual offers a glimpse into the world of vintage computing and provides insights into the capabilities and use of this classic program.