Casio FX-603P

CASIO FX-603P
An FX-603P in working condition
TypeProgrammable scientific
ManufacturerCasio
Introduced1990
Calculator
Entry modeInfix
Precision12 digits mantissa, ±99 exponent
Display typeLCD Dot-matrix
Display size2×16 Character
Programming
Programming language(s)Keystroke (fully merged, Turing complete)
Memory register110
Program steps6,144
Interfaces
Portsone vendor specific
Connects toCompact Cassette via:

Line Printer via one of:

PC via one of:

Other
Power supply2×"CR-2032" Lithium + 1×"CR-2032" Lithium
Weight141g, 5 oz
Dimensions15.24x7,6x1.2 cm, 6"×3"×½"

The FX-603P was a programmable calculator, manufactured by Casio from 1990. It was the successor model to the Casio FX-602P. Since it was only released in a limited number of countries in small quantities, it is now an excessively rare item which commands high prices when sold.