Casio PB-80

Technical specifications

RAM (total) : 1 / 2 Kb (0 or 1 ramcard of 1 Kb)
RAM available : 544 / 1.568 bytes
CPU : VLSI specific
Text screen : 1 line of 12 characters
Graphic screen : No
Sound : Dual tone beep (high, low)
Size : 137 x 76 x 12 mm
Weight : 92 g. with batteries
Year : 1982
Power : 2 CR-2032 lithium batteries

Extensions

Memory :
OR-1   1 Kb
OR-1E 1 Kb