5" (4 cm) cube

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Equations That Changed the World A5 Softcover Notebook Fossil 5" (4 cm) cubeThis Equations That Changed the World Softcover Notebook is ready to be filled with your most creative proofs and calculations. Be inspired to tackle the hardest problem sets and maybe even find the answer to one of the great unsolved conjectures. These convenient A5 notebooks are equally at home on your lab bench and in the field. The uniquely textured cover feels soft under your fingers and the burnt orange elastic closure keeps all your musings