Floating point calculator with RAM shift register

Details Floating point calculator with RAM shift register Floating point calculator with RAM shift register

1973-10-29

1977-01-04

Malzahn, David H.

Registers

Transfer mechanism

Traveling pawl

235156, G06F 752

Patent

active

040015661

ABSTRACT:
A calculator utilizing floating point logic by means of registers in the form of random access memories the bit positions of which are sequentially addressable, reversible timing means for addressing each register sequentially in either direction and programming means for causing numbers to be handled in said registers in the form of the exponent and mantissa of said numbers. The preferred embodiment of calculator also has control logic for said registers enabling bits to be displaced in said registers in a direction selected by said timing means for effecting the operations of multiplication and division by ten.

REFERENCES:
patent: 3037701 (1962-06-01), Sierra
patent: 3043509 (1962-07-01), Brown et al.
patent: 3193669 (1965-07-01), Voltin
patent: 3389379 (1968-06-01), Erickson et al.
patent: 3523161 (1970-08-01), Lewin
patent: 3760171 (1973-09-01), An Wang et al.

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