Intel 8087 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Intel 8087" in English language version.

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alldatasheet.com

pdf1.alldatasheet.com

"Intel 8087 Datasheet".

archive.org

Intel Corporation, "Price List for Intel Personal Computer Enhancement Products Effective November 1, 1989", Personal Computer Enhancement Operation, Order No. 245.2, 10-89/75K/AL/GO, October 1989

books.google.com

Lemone, Karen A. (1985). Assembly Language and Systems Programming for the IBM PC and Compatibles. Little Brown. p. 302. ISBN 978-0-316-52069-0.

computer.org

Palmer, John F. (1980). "The INTEL® 8087 Numeric Data Processor" (PDF). AFIPS '80, Proceedings of the, May 19–22, 1980, National Computer Conference. Anaheim, California: ACM. pp. 887–893. doi:10.1145/1500518.1500674.

cpu-collection.de

"Intel FPU". cpu-collection.de. 2011. Retrieved 1 December 2011.

cpu-info.com

coprocessor.cpu-info.com

"8087". Coprocessor Dot Info. 2007. Archived from the original on 30 September 2011. Retrieved 1 December 2011.

cpu-world.com

Shvets, Gennadiy (8 October 2011). "IBM 8087 floating-point unit". CPU World. Retrieved 1 December 2011.
Shvets, Gennadiy (8 October 2011). "AMD 8087 floating-point unit". CPU World. Retrieved 1 December 2011.
Shvets, Gennadiy (8 October 2011). "Cyrix 8087 floating-point unit". CPU World. Retrieved 1 December 2011.
Shvets, Gennadiy (8 October 2011). "Intel 8087 family". CPU World. Retrieved 1 December 2011.

doi.org

Palmer, John F. (1980). "The INTEL® 8087 Numeric Data Processor" (PDF). AFIPS '80, Proceedings of the, May 19–22, 1980, National Computer Conference. Anaheim, California: ACM. pp. 887–893. doi:10.1145/1500518.1500674.

espacenet.com

worldwide.espacenet.com

US 4484259, "Fraction bus for use in a numeric data processor"
US 4270167, "Duplex central processing unit synchronization circuit"

intel.com

developer.intel.com

"Product Change Notification" (PDF). 2 May 2006. Archived from the original (PDF) on 9 October 2006.
"Product Change Notification" (PDF). 2 May 2006. Archived from the original (PDF) on 9 October 2006.

righto.com

Shirriff, Ken (May 2020). "Extracting ROM constants from the 8087 math coprocessor's die". righto.com. Self-published by Ken Shirriff. Retrieved 3 September 2020. The ROM contains 16 arctangent values, the arctans of 2⁻ⁿ. It also contains 14 log values, the base-2 logs of (1+2⁻ⁿ). These may seem like unusual values, but they are used in an efficient algorithm called CORDIC, which was invented in 1958.

web.archive.org

"Product Change Notification" (PDF). 2 May 2006. Archived from the original (PDF) on 9 October 2006.
"8087". Coprocessor Dot Info. 2007. Archived from the original on 30 September 2011. Retrieved 1 December 2011.
"Product Change Notification" (PDF). 2 May 2006. Archived from the original (PDF) on 9 October 2006.