John Blue

@johnblue.bsky.social

49 Followers 27 Following

Design, technology, engineering, fun See https://www.linkedin.com/in/johnblue

i have had this HP-20s on my desk since 2004. It was in a supply closet at work, unused! So I took it
Psion Organizer II LZ. My grandmother had this bought for her by a relative in UK in 1989, £149.99 from Dixons.
#nasa #space #osirisrex
Calculator moments: I bought this TI-74 Basicalc in the mid 1980s because it was cool looking! It had a keyboard &could be programmed in Basic!
Spider close up at dusk.
TI SR-51 calculator introduced in 1975, along side book geared for a TI-55 calculator