Casio FX-9000P

Professional Computer
YEAR : 1981
BUILT IN LANGUAGE : BASIC interpreter
KEYBOARD : 67 keys with numeric keypad
CPU : Z80
SPEED : 2.75 MHz.
RAM : 4 KB expandable to 32 KB
VRAM : 4 KB
ROM : 12 KB (BASIC) expandable to 24 KB
TEXT MODES : 32 chars. x 16 lines
GRAPHIC MODES : 256 x 128 pixels
CRT : Monochrome
SIZE : 41.5(W) x 43(D) x 18.7(H) cm. / 7.2 Kgs
POWER SUPPLY : Built-in power supply unit

I/O : Tape recorder, Printer, FDD unit
BUILT IN MEDIA : C-MOS RAM modules

PERIPHERALS      
Option boards OP-1 and OP-2
Dual 5.25 320 KB FDD unit
16 KB N-MOS RAM pack ($450)
4 KB C-MOS RAM pack ($180)