We have a Pager that works, but no pager service is available. People have moved on to phones.
Amateur radio receivers

Features
- Incoming SMS
- Outgoing Landline
Electronic Engineering Technologies
A tool for developers of small digital devices and radio amateurs, for those who is familiar with Boolean algebra and Karnaugh Map optimization method, best suits for electrical engineering students.
Karnaugh Minimizer – Refactoring Code
“The Karnaugh map was invented by Maurice Karnaugh, a telecommunications engineer at Bell Labs, in 1950., same year that Charles M. Schulz published his first Peanuts comic.”
Karnaugh Map Minimizerย is free (GPL) software for minimizing boolean functions using the graphic method of Karnaugh maps.
This program sports some of the most amazing features in Karnaugh map minimizing sofware known to modern man, like solving up to 8 variable maps, solution highlighting, input form a truth table or directly on the map, displaying cell adresses.