The Ultimate Math Library: 23 Must-Have Books assembles a capacious canon of mathematical writing in which proof, puzzle, philosophical speculation, scientific exposition, and imaginative fiction meet. Ranging from foundational reflections on method and probability to geometrical fantasy, recreational problems, and investigations of form in nature, the volume reveals mathematics as both a rigorous language and a literary-cultural practice. Its standout texts illuminate how abstraction can ...

Mathematical Marvels: 4 Classic Books on the Foundations and Fun of Math gathers four works that present mathematics not as an abstract enclosure but as a field of wonder, experiment, and play. Across puzzles, paradoxes, recreational problems, and lucid explorations of fundamental ideas, the volume ranges from witty riddle-making to disciplined logical inference. Its standout challenges invite readers to test assumptions about number, geometry, probability, and proof, situating recreationa...

In "Catalan's Constant [Ramanujan's Formula]," Greg Fee delves into the intricate world of mathematical constants, specifically focusing on Catalan's Constant, a significant figure in number theory. Through a meticulous blend of mathematical rigor and accessible prose, Fee elucidates the origins and implications of Ramanujan's work on this constant, illuminating its relevance in various fields ranging from combinatorics to number theory. The book weaves a narrative that not only captures t...

Catalan constant to 300000 digits computed on September 29, 1996 by using a Sun Ultra-Sparc in 1 day 8 hour 15 min 15 sec 55 hsec. The algorithm used is the standard series for Catalan, accelerated by an Euler transform. The algorithm was implemented using the LiDIA library for computational number theory and it is part of the multiprecision floating-point arithmetic of the package.

An aptitude test is designed to measure the potential for achievement in an individual, whilst an IQ test is a standardized test designed to measure intelligence. Both are now increasingly encountered in recruitment, selection and assessment procedures. IQ and Aptitude Tests contains over 350 practice questions together with answers, explanations and a guide to assessing performance. The questions are organized into four IQ tests together with verbal, spatial and numerical aptitude tests. ...

It was a dark, rainy night and the moon was covered with clouds, no lights in any house were on, or so that street thought. The house on Main BLVD, just around the corner of the high school principal's house, was the scariest and most haunted house of Doopsbury. No one has ever gone into that house, stories, and rumors of how disgusting it looks on the inside keep people away. Though, what happens when a group of teenagers decide to venture into it on a dark night? Well, that experience ha...

IQ tests are now encountered in recruitment for the government, the armed forces, education, industry and commerce.Test Your IQ contains 400 IQ test questions written and compiled by IQ-test experts, complete with a guide to assessing individual performance. Working through the questions can help anyone improve their vocabulary and develop powers of calculation and logical reasoning. By studying the different types of test, and recognizing the different ty...

Henry Ernest Dudeney (1857–1930) was an English author and mathematician who specialised in logic puzzles and mathematical games. He is known as one of the country's foremost creators of puzzles.The Canterbury Puzzles and Other Curious Problems is a 1907 mathematical puzzle book by Henry Dudeney. The first part of the book features a series of puzzles based on the characters from The Canterbury Tales by Geoffery Chaucer.The ebook contains illustrations, explanations and ans...

This collection of poems takes young readers to a day at an urban farmers’ market. Who to see, what to eat, and how produce is grown—it’s all so exciting, fresh, and delicious. Readers are invited to peruse the stands and inspect vendors’ wares with poems like “Farmer Greg’s Free-Range Eggs,” “Summer Checklist,” and “Necessary Mess.”Bright and vibrant, this is the perfect guide for little ones to take with them on marketing day to inspire literacy and healthy eating.**A ple...

Working at the end of the nineteenth century, photographer Henry Peach Robinson was best known for his zealous, and highly adept, use of combination printing -- creating a single image from multiple negatives. He was also an accomplished writer and this short book from 1888 remains one of his most endearing. In practical instruction and personal anecdote, it extols his unyielding belief that capturing the natural beauty of the landscape required the helping hand of props, costumed models, and...

From keys and handkerchiefs to sweets and rubber bands, the curious objects we surround ourselves with, though often seemingly mundane, have a magical quality.Their surprising power to disturb, soothe, seduce or absorb give these quirky objects histories and meanings we rarely ponder. Yet we would be lost without them.Take bags, for example. Why do most women carry handbags, while men rely on pockets? Why do so many houses have bags of bags? And why do we 'let the cat out t...

Originally published in 1921. Shadow entertainments are as old as the hills, but their popularity is undiminished and the hand shadow expert is a recognised and popular artist and entertainer. A practical guide for both adults and children. Contents include: The Light - The Projection Screen - General Arrangements - Advanced Pracrise - Animal Shadows - Bird Shadows - Character Studies - Figures With Accessories - A Shadow Pantomime.112 pages. Illustrated by 85 diagrams. Many of the earlies...