The Radio Shack TRS-80 Pocket Computer (Sharp PC-1211)

Display: LCD, 24 digit display (12 digit precision)

Power: 4 LR44 watch batteries

Adv. Functions: Trig, logs, probability, statistics, BASIC functions

Memories: 24

Programming: BASIC, 2.2Kb

Comments: This was actually the Sharp PC-1211, sold under the Radio Shack name. One of the first "pocket computers," I wanted one from the moment I first saw one!