Blueprints: Twenty-Six Extraordinary Structures Christopher Gray and John Boswel Book He shows how the invention

He shows how the invention of symbols for use in algebra - a radical departure from tradition at the time - ushered in a new era of math

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Blueprints: Twenty-Six Extraordinary Structures Christopher Gray and John Boswel Book He shows how the inventionGood Used. Softcover. Shows some normal use. Binding Good. Has unmarked pages on flip though. Same Title, same ISBN, same cover as stock photo. Free USPS Tracking Delivery Confirmation. Edge rubbing. ISBN: 0671419730 Condition: Used; Good brand: Brand Fireside manufacturer: Fireside number_of_pages: 127