They were asked to serve, and math was their secret weapon.

In 1942, when computers were human and women were underestimated, a group of teenage girls used their math skills to help win a war and usher in the modern computer age.

The Computer Wore Heels is an iPad book app that shares this inspiring story with young adults.

Now available at the app store.

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To learn more about the documentary film Top Secret Rosies: The Female Computers of WWII go to-