Checkbook Balancer: Old Standby Reviewed Authors Joseph Williamson Publication SUM Publication Details Volume: 4 Issue: 5 Date May 1986 Pages 6 Read the article See all articles from SUM v4 n5 Program that comes with a keyboard overlay to help balance a personal checkbook account. Products Downloadable Media Related Articles Tags SUM, Simulusion, Software review, TS 1000, ZX81 People Joseph Williamson