Numbers Held Inexactly on the ZX81 Authors Frank O'Hara Publication Syntax Pub Details Volume: 3 Issue: 5 Date May 1982 Pages 3 Read the article See all articles from Syntax/Syntax ZX80 v3 n5 The largest is really this 39-digit number: 170141183420855150474555134919112130560. Products Downloadable Media Related Articles Tags Syntax, 1982, TS 1000, Tutorial, ZX81 People Frank O'Hara