Women have made some of the most important scientific discoveries of all time. In this title, readers learn about mathematician and computer programmer Grace Hopper from her early career programming Mark I and UNIVAC, to the development of the FLOW-MATIC and COBOL. A timeline, sidebars, fun facts, glossary, and index supplement the text. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.