埋め込みの説明
@1@ : 関数の種類
例題
[C3361.cob]
000001 IDENTIFICATION DIVISION.
000002 PROGRAM-ID. C3361.
000003 ENVIRONMENT DIVISION.
000004 DATA DIVISION.
000005 WORKING-STORAGE SECTION.
000006 01 A PIC S9(18) BINARY.
000007 PROCEDURE DIVISION.
000008 P-START.
000009 COMPUTE A = FUNCTION NUMVAL
000010 (" 1234567890.123456789").
000011 END PROGRAM C3361.C3361.cob 9: JMN3361I-S FUNCTION NUMVALの引数の，数字の合計桁数は，18以下でなければなりません．