About Us

Since 1985, Thaddeus Computing Inc (www.thaddeus.com) has been writing about, buying, and selling handheld computers.


  • Thaddeus Computing buys and sells new and used handhelds and accessories, www.UsedHandhelds.com

  • Thaddeus Computing buys and sells used HP 200LX DOS Palmtops and accessories with archives of The HP Palmtop Paper, www.PalmtopPaper.com

iPhone Life Contacts

Managing Editor, Rich Hall

Publisher/Executive Editor, Hal Goldstein

Advertising, marge [at] thaddeus [dot] com (subject: Advertising%20inquiry%20from%20web%20site) (Marge Enright)

Used Handhelds Contacts

Volume buys and sells Hal Goldstein

Internet marketing Diane Dumas

Shipping Manager, Biba Dangol

Inventory Control, Solomon Goldstein


hal [at] thaddeus [dot] com (Hal and Rita Goldstein)- founded privately-held Thaddeus Computing Inc in 1985.


Our Privacy Policy


Thaddeus Computing
110 N. Court St.
Fairfield, IA 52556
1-641-472-6330 / 800-373-6114
Fax: 1-641-472-1879
Email: info [at] thaddeus [dot] com Web: www.thaddeus.com