David Hayden
(Senior Member)

Registration Date: 12-01-2008
Date of Birth: Not Specified
Local Time: 05-28-2022 at 10:35 PM
Status: Offline

David Hayden's Forum Info
Joined: 12-01-2008
Last Visit: 12-16-2013, 08:17 AM
Total Posts: 528 (0.11 posts per day | 0.3 percent of total posts)
(Find All Posts)
Total Threads: 40 (0.01 threads per day | 0.18 percent of total threads)
(Find All Threads)
Time Spent Online: None Registered
Members Referred: 0

David Hayden's Contact Details
Email: Send David Hayden an email.
Additional Info About David Hayden
Location: Central New Jersey, USA
Bio: HP 41 series, HP 29C, H49 series, improving the usability of calculators