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  1. USING: kernel sequences locals io formatting strings math math.parser math.functions ;
  2. IN: main
  3. "Hello, World" print
  4. readln string>number 1 +
  5. iota [2 log * exp round "%d " printf] each
Runtime error #stdin #stdout 1.3s 165056KB
stdin
30
stdout
./prog.factor

5: iota [2 log * exp round "%d " printf] each
          ^
No word named “[2” found in current vocabulary search path