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Review title: disappointing
Product review: Interesting subject, well researched but poor formatting and rushed or non-fleshed out reasoning makes this text incredibly disappointing. Not worth your money. If you are at all rusty on algebra and arithmetic, you will get lost or be frustrated with the demonstrations and problems shown in the book. Even the answer guides in the back are poor illustrations of well-worked, fully explained problems. You find a lot of "and so because of X formula, we can see Y". You will think to yourself, how in the world did one make a logical step from the previous statement to the last. The chapters and chapter sections are also very inconspicuous and figures do not relate well to the surrounding text. Quite terrible book unfortunately.
