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<HTML><TITLE>Expressions and Branching</TITLE><BODY BGCOLOR="#FFF0E0" VLINK="#0FBD0F" TEXT="#101000" LINK="#0F0FDD">
<A NAME="top"><H1>Expressions and Branching</H1>
<P> Like the <TT>while</TT> statement, branching statements have <CITE>CONDITION</CITE>s
that are evaluated by Tcl as expressions. Tcl parses expressions in a
somewhat different way than it parses command lines. This chapter covers both
expressions and branching.
<UL>
<LI>
Expressions
<LI>
Branching
<LI>
Math Functions
<LI>
Solutions to Exercises
</UL>
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<STRONG>Author</STRONG>
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<P>
<I>Jun 17, 1998</I>
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