Radio Shack TRS-80 PC-3 Owner's Manual page 110

10: PRINT "DEPRECIATION ALLOWANCE"
20: INPUT "ENTER METHOD: "; A
10: "DEP1" : REM
»
SECOND MODULE
«
20: PRINT "INTEREST CHARGES"
30: INPUT "AMOUNT BORROWED: "; B
(etc)
Note that, unlike the CLOAD command, the new program DID NOT replace the existing one and that some line numbers have been
duplicated. Also note that a "label" was used on the first line of the merged module. This allows "LINKING" of the modules
together (See LINKING MERGED MODULES - below).
It is important that you review the following information before proceeding with any further editing or programming:
IMPORTANT NOTES:
Once a MERGE is performed, no INSERTIONS, DELETIONS, or CHANGES are allowed to previously existing program lines.
110