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Hidden Figures meets Rosie Revere, Engineer in this STEM/STEAM picture book about Edith Clarke, the innovator who solved an electrical mystery and built the first graphing calculatorfrom paper!Long before calculators were invented, little Edith Clarke devoured numbers, conquered calculations, cracked puzzles, and breezed through brainteasers. Edith wanted to be an engineerto use the numbers she saw all around her to help build America.When she grew up, no one would hire a woman engineer. But that didnt stop Edith from following her passion and putting her lightningquick mind to the problem of electricity. But the calculations took so long! Always curious, Edith couldnt help thinking of better ways to do things. She constructed a calculator from paper that was ten times faster than doing all that math by hand! Her invention won her a job, making her the first woman electrical engineer in America. And because Edith shared her knowledge with others, her calculator helped electrify America, bringing telephones and light across the nation.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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