163 rectangular & random grids, 1988 visual modeling with logo, helpers178 RECORD.POS aka PUSH&POPglobal, helper, library, make-variables, push&pop, RECORD.POS, RESTORE.POS
helpers, Iteration, compositionrepeat-until (once)helper, iteration-composition, libraries, repeat until
1 - introduction to turtle geometry, 1986 turtle geometry, helpers53FIBdownloadable script, FIB, fibonacci, helper, reporter
