Lotus 123 97 Introductory Concepts and Techniques - Shelly, Cashman Ser. Author:Gary B. Shelly, Thomas J. Cashman, Kathleen Shelly Part of the highly successful Shelly Cashman Series, this text offers a clear, step-by-step, screen-by-screen approach to learning the basics of Lotus 1-2-3 97. Readers learn to build a worksheet with a 3-D bar chart; create formulas and utilize worksheet enhancements, perform a what-if analysis, and more.