The Brilliant Calculator: How Mathematician Edith Clarke Helped Electrify America

The Brilliant Calculator: How Mathematician Edith Clarke Helped Electrify America

Author: , Illustrator: Susan Reagan

Long before calculators were invented, little Edith Clarke devoured numbers, conquered calculations, cracked puzzles, and breezed through brainteasers. Edith wanted to be an engineer—to use the numbers she saw all...
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Ages: 8-10
Read time: 30-45 mins
AR LEVEL: N/A
LEXILE©: 860L
Ages: 8-10
Read time: 30-45 mins

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