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Dog-leg hypotenuse approximation — Parallax Forums

Less than 1% error.

to approximation cute-code embedded geometry maths optimisation ... on 13 July

divcnst.dvi - divcnst-pldi94.pdf

The paper that the RISC-V manual refers to on simulating integer division using integer multiplication.

to algorithm cmp101 integer maths ... on 30 October 2018

spigot: a command-line exact real calculator

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

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

As it says. Some nice visualisations.

to amusements maths ... on 24 October 2015

Moonstick Co. - manual visual calculators for astronomy, timekeeping, and computation

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

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

Programming course for people who know some statistics already.

to maths programming r statistics teaching ... on 03 October 2014

Floating Point Determinism - gafferongames.com

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

Lengthy study of what can go wrong with FP.

to ag0700 data-types floating-point maths numerical ... on 03 October 2014

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