Contents

    An Invitation to Scheme

    Interactive Environment
        Introduction
        The Transparent REPL

    Language Levels
        Introduction
        Examples

    Images in Program Source

    Teachpacks
        Introduction
        Teachpack for Graphics

    Run-Time Error Reporting
        Source Highlighting
        Backtrace

    The Stepper

    The Profiler

    Program Browsing
        Contours
        Definitions

    XML Boxes

    Printing Values
        Constructor Notation
        Quasiquote Notation

    Portability

    Conclusion