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The Casio FX-890P computer

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Technical specifications
RAM (total)	:	32 / 40 / 64 Kb (0 or 1 ramcard of 8 or 32 Kb)
RAM available	:	51,180 / 59,372 / 83,948 bytes
ROM	:	??? Kb
CPU	:	Intel 80L188EB
Text screen	:	4 lines of 32 characters
Graphic screen	:	32 x 192 pixels
Sound	:	Dual tone beep (high, low)
Size	:	206 x 83 x 25 mm
Weight	:	308 g. with batteries
Year	:	1991
Power	:	4 AA alkaline batteries, one CR-2032 lithium battery
Extensions
Memory	:	RP-8        8 Kb
		RP-33    32 Kb
Printer	:	FP-40     Thermal technology, using the SB-44,
		or the FA-6 and the SB-43
		FP-100   Four colors pens technology, using the FA-6
Storage	:	MD-120 3.5" floppy disk drive
		FA-6      External tape recorder interface
I/O	:	FA-6      RS-232 / Centronic interface
		FA-8      RS-232 / Centronic interface, using the SB-62