About 14 minutes
The 32nd Mersenne Prime Predicted by Mersenne — Reading Companion
Algebra · Applied Mathematics
3,153 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #69
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Three of the shortest recorded reading commitments in this catalog. Times are estimates, not quality ratings.
About 14 minutes
The golden mean — A Closer Reading
Algebra · Applied Mathematics
3,102 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #744About 14 minutes
The First 1001 Fibonacci Numbers — Themes and Context
Arithmetic
3,117 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #2585Search stored excerpts and compare books → Choose by your preferences →
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Choices use stored catalog measurements. Estimates vary with reading speed. A shared category is a catalog label, not a claim that two books have the same argument or literary quality.
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Catalog snapshot checked: 2026-09-26. Coverage: 35 public books, 31 available source excerpts.
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Independent digital catalogue
Explore Public-Domain Works in History, Law and Social Inquiry
The ECAZU Historical Mathematics Library groups 35 public-domain works into four connected categories: Arithmetic, Algebra, Geometry, and Applied Mathematics. The categories overlap, so a Euclid edition may sit beside a philosophical essay on foundations. The catalogue is built around three suggested reading paths: historical foundations traces numerical systems from early English arithmetics to the Hindu-Arabic numerals; geometric reasoning moves from Euclid's Elements to Russell's foundations; and play and puzzles offers a lighter entry via Comic Arithmetic and Amusements in Mathematics. Each record includes a descriptive essay, keywords, and source links for context.
35 public-domain works38 represented authorsSource-attributed catalogue records
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Browse works by subject area, historical era, or source type.
01
Arithmetic
A focused group of public-domain works connected by subject, literary setting and recurring questions.
02
Algebra
A focused group of public-domain works connected by subject, literary setting and recurring questions.
03
Geometry
A focused group of public-domain works connected by subject, literary setting and recurring questions.
04
Applied Mathematics
A focused group of public-domain works connected by subject, literary setting and recurring questions.
Mathematics — Editor’s Selection
Newly Catalogued by ECAZU
Curiosa mathematica, Part 1 — Re...
In Geometry
Elements of arithmetic — Reading...
In Algebra
Mathematical Problems — Reading ...
In Geometr...
How to become a lightning calcul...
In Arithmetic
Memorabilia Mathematica; or, the...
In Applied...
Introduction to Mathematical Phi...
In Applied...
On the History of Gunter's Scale...
In Applied...
The Seven Follies of Science [2n...
In Geometry
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It generally means that the represented source text is no longer protected by copyright in the applicable jurisdiction or has been released for public use. Status may vary by country and edition.
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ECAZU Catalogue
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ECAZU Catalogue directs the structural design of the digital library, which includes 35 books from 38 authors in 4 categories, ensuring the accuracy of the collections.
