Apple Checker

File Format
Name	Apple Checker
Ontology	Electronic File Formats Error detection and correction Apple Checker
Released	1981

Apple Checker by Ken McCandless is an Apple II typing checker program used by Nibble magazine.

It displays the program size and two-digit checksum.

Sample Output

Version History

• Version 3 - First published in Nibble Volume 3 Number 4, catches systematic transposition errors

Links

• Apple Checker 3.0 printed copy (from Nibble Express Vol III pg 86)
• Apple Checker 3.0 on disk
• Apple Checker 3.0 program