Tcl Tutorial Introduction Running Tcl Simple Text Output Assigning values to variables Evaluation & Substitutions 1: Grouping arguments with "" Evaluation & Substitutions 2: Grouping arguments with {} Evaluation & Substitutions 3: Grouping arguments with [] Results of a command - Math 101 Computers and Numbers Numeric Comparisons 101 - if Textual Comparison - switch Looping 101 - While loop Loopin