User Manual for CPEP: The Corn Product Evaluation Program, a Macro Program in Lotus 1-2-3
档介绍玉米产品评估程序（CPEP）的第一个版本，这是一个Lotus 1-2-3宏程序，用于帮助用户评估不同玉米产品的成本效益，用户需具备Lotus 1-2-3基本操作知识。
This manual documents the first release of the the Corn Product Evaluation Program (CPEP) program. The CPEP is a Lotus 1-2-3 macro program that is intended to facilitate benefit/cost evaluation of alternative corn products. The program is fully menu-driven. The user is guided through the program via typical 1-2-3 menus, from which the user makes selections. A working knowledge of Lotus 1-2-3 is all that is required to use CPEP. A proficient Lotus macro programmer, however, can further modify or customize the program to meet more specialized needs.