Radio Shack EC-257 (statesman thin LCD)
The Radio Shack EC-257 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter.
Facts at a glance:
If you have a Radio Shack EC-257 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: