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divcnst.dvi - divcnst-pldi94.pdf edit / delete
The paper that the RISC-V manual refers to on simulating integer division using integer multiplication.
spigot: a command-line exact real calculator edit / delete
A calculator which "does not output any digit of the answer until it's sure that the digit is right, and it will keep generating digits until you tell it to stop." Which means it's great if you're after pi, but struggles with numbers like 0.
to amusements calculator maths software ... on 10 December 2017
Ways to implement computer algebra compactly edit / delete
How to write a very, very small computer algebra system. From the author of "Derive", "muMath", "Calculus Demon" and other pioneering examples of fitting very complicated things into tiny spaces.
to algebra amusements cute-code maths retrocomputing ... on 01 March 2016
Theorem of the Day edit / delete
As it says. Some nice visualisations.
to amusements maths ... on 24 October 2015
Moonstick Co. - manual visual calculators for astronomy, timekeeping, and computation edit / delete
Makers of a range of slide rules and related devices, with copious explanation. Neat!
to astronomy maths mechanica slide-rule ... on 29 June 2015
Dr James B. Calvert edit / delete
A site about... everything. I think I got here via the comprehensive section on railway signalling, then got sucked into the tutorial on ancient Greek and the history of the telegraph.
to greek history latin linguistics maths physics railways science telegraph ... on 18 January 2015
36-350, Statistical Computing, Fall 2013 edit / delete
Programming course for people who know some statistics already.
to maths programming r statistics teaching ... on 03 October 2014
Floating Point Determinism - gafferongames.com edit / delete
This has some interesting comments from game developers on techniques for making FP deterministic.
to ag0700 ag0907 determinism floating-point games maths networking numeric ... on 03 October 2014
HAL :: [hal-00128124, version 5] The pitfalls of verifying floating-point computations edit / delete
Lengthy study of what can go wrong with FP.
to ag0700 data-types floating-point maths numerical ... on 03 October 2014
Dropping In on Gottfried Leibniz—Stephen Wolfram Blog edit / delete
A nice overview of Leibniz's contributions to computational thinking, with many photos of his notes.
to ag0700 computational-thinking computing history leibniz maths retrocomputing ... on 10 July 2014
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tasty by Adam Sampson.