Casio GRAPH 85 SD (GRAPHIQUE USB)
The Casio GRAPH 85 SD is a graphing calculator with formula input logic. It has 50 keys, and an LCD (liquid crystal) display.
Facts at a glance:
If you have a Casio GRAPH 85 SD that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement: