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SHARP Pocket Computer PC-1403H
SR1 (Schulrechner1)
Texas Instruments SR-10
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Time CALCULATOR, MR 413





SHARP Pocket Computer PC-1403H
Sharp Electronics, 1986
The Sharp PC-1403 (H) small scientific calculator and pocket computer manufactured by electronics company, Sharp. It was the successor of the Sharp PC-1401. It contained a better display, more RAM and better system software.
CPU: Hitachi SC61860 (8 bit CMOS) 768kHz
Memory: 8KB RAM (6863 bytes available), 72KB ROM; 32KB RAM in PC-1403H model
Display: Monochrome LCD 1 line with 24 5×7 characters
Matrix calculation functions had been added, such as addition, multiplication, inversion and determinant. They could be used in calculator mode only