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- $ tclsh # Tcl interpreter
- % set institute "Institute of Mathematical Sciences"
- % puts "Institute of Mathematical Sciences"
- Institute of Mathematical Sciences
- % puts "The institution name is $institute"
- The institution name is Institute of Mathematical Sciences
- % expr sin(4)
- -0.7568024953079282
- % set total 1
- % set count 10
- % puts $count
- 10
- % while {$count > 0} {
- set total [expr $total * $count]
- set count [expr $count - 1]
- }
- % puts $count
- 0
- # the two commands are equivalent
- % set count [expr $count - 1]
- % incr count -1 # with no other argument incr adds one
- % exit
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