99p_ebooks : RT MyMappyPlace: What does this antique #map of the former city of Königsberg, #Germany (today Kaliningrad, #Russia) have to do with #math? A lot. The plan of this city was the inspiration for a major breakthrough in the study of #Mathem… https://t.co/uZvWl6AJpt) https://t.co/BbCRaXHa6g

99p_ebooks : RT MyMappyPlace: What does this antique #map of the former city of Königsberg, #Germany (today Kaliningrad, #Russia) have to do with #math? A lot. The plan of this city was the inspiration for a major breakthrough in the study of #Mathem… https://t.co/uZvWl6AJpt) pic.twitter.com/BbCRaXHa6g

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