---
product_id: 16142317
title: "Algebra"
brand: "israel m. gelfandalexander shen"
price: "$291720"
currency: COP
in_stock: true
reviews_count: 6
url: https://www.desertcart.co/products/16142317-algebra
store_origin: CO
region: Colombia
---

# Algebra

**Brand:** israel m. gelfandalexander shen
**Price:** $291720
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Algebra by israel m. gelfandalexander shen
- **How much does it cost?** $291720 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/16142317-algebra)

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- israel m. gelfandalexander shen enthusiasts

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## Description

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## Images

![Algebra - Image 1](https://m.media-amazon.com/images/I/51U98DglVtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I can't think of a title. Just buy the book!
*by H***L on January 30, 2011*

Well, H. Wu on his page and N.F Taussig here have written quite good reviews, so I guess I can't really add anything new. Still, I feel the need to praise this book some more. Could it be used for a main text or should it be just a supplement? I don't know, but there is much more mathematics contained in these 149 pages than in any standard 500 page high school text on the market today. That's the unsurprising result of accomplished mathematicians writing a math book. Sure, some topics are missing. You won't find 3 or 4 chapters devoted to the several "different" ways to graph a line. There aren't fifty problems in a row that start with "suppose Sam rows upstream at 5 miles per hour and it takes her seven times as long as..." Unfortunately, there isn't even a treatment of complex numbers, the only omission that seems wrong.You will find several interesting and serious topics that would be dangerous to bright students who insist they hate math, or rather what they've been told is math. Imagine their initial embarrassment when they find out that they can enjoy the subject! Maybe more importantly, imagine their relief when they realize that there IS a reason why we "FOIL", there IS a reason why negative times negative is positive, there IS a reason why we say a^(-1)=1/a, and it's not because "the teacher said so" or "that's just the rule" (ok, it is the rule, but now you'll see why). And there's no attempt to sneak anything by the reader. The authors are quick to acknowledge any gaps in their reasoning, and to assure the reader that in the future he or she will fill them.It's this honesty and attention to rigor without being too formal or dry that give this book some extra charm. It moves smoothly from basic arithmetic (which everyone should still read if only to learn a different way of explaining it to a student/younger sibling/child) all the way to proofs, both algebraic and visual when possible, of some important inequalities. Cauchy's inductive proof, first for powers of two and then filling in the gaps, of the AM-GM inequality is here, as is the standard proof of Cauchy-Schwarz by the discriminant of a polynomial. Go to your local high school and look at its algebra book. I doubt that's in there.I'll end with a few of the funny, sometimes weird, little remarks:After illustrating the associative law using the example (sugar + coffee) + milk = sugar + (coffee + milk), the next problem is: "Problem 25. Try it.""Please keep in mind that a monomial is a polynomial, so sometimes for a mathematician one is many.""Probably you are discouraged by this solution because it seems impossible to invent it. The authors share your feeling."One section begins: "62. How to confuse students on an exam: As usual, there are many evil ways to make use of knowledge."

### ⭐⭐⭐⭐⭐ Not just for kids!
*by A***T on November 20, 2020*

It would be interesting to understand more about the context that this text was intended to be used within. It covers basic algebra with breezy informal prose, but the problems are much harder than you would think. The author expects students to think deeply and in an open-ended way about the concepts and strategies behind solving problems. There are no repetitive drill exercises, each problem is unique and challenging. For students in typical American math curriculums, this would be like an algebra text with only the "starred" problems.This text is optimal as a supplement for gifted and very motivated first-time algebra students. It's ALSO is good for tutors who can use the material to harden their own understanding and then share the insights with their students. Older students who want to "start over" and review the fundamentals of algebra would do well with this too.I like the approach of this text. It's so different from contemporary texts targeting this level. The emphasis is on understanding rather than teaching students to memorize procedures without explaining what's really going on.

### ⭐⭐⭐⭐⭐ Great
*by A***A on June 26, 2017*

Posting similar review as I did for Gelfand's Algebra book. Both are great books for reviewing and learning to think about the material with a bit more depth. It's a little easy for me but still stimulating and helped me review stuff that I never really gave enough attention to in high school. Probably a great book for kids. I think the Algebra one is a little easier than the trig one, so I've spent less time with it so far - but I look forward to the later sections and do think this is good material to review. In higher math, sometimes I was finding myself stuck on really simple algebraic things that I just didn't notice or took me too long to figure out.

## Frequently Bought Together

- Algebra
- Trigonometry
- Geometry

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-22*