Casio PB-100
YEAR: 1982
BUILT IN LANGUAGE: Basic interpreter
KEYBOARD: 53 keys with numeric keypad
CPU: HD61913 CMOS VLSI
SPEED: 455 kHz
RAM: 1 KB (544 bytes for Basic programs) up to 2 KB
ROM: 12 KB
TEXT MODES: 1 line x 12 chars plus a 4 digit seven segment display part
Display: LCD
SIZE: 165 x 71 x 10 mm
WEIGHT: 116 g (with batteries)
POWER: 2x CR-2032 lithium batteries
PERIPHERALS:
OR-1 1 kB RAM PACK
FA-3 cassette interface
FP-12 mini thermal printer