Invented the Clarke calculator, an early graphing calculator,

Inventor of Graphic Calculator; 1st woman professionally employed as an electrical engineer in US; 1st professor of electrical engineering in the US; holds 2 patents. In 1921, Clarke took a leave of absence from GE to teach physics at the Constantinople Women's College in Turkey because she was not allowed to do electrical engineering work, was not earning the same salary and had a lower professional status as men doing the same work.[10] The next year, when she returned from Turkey, she was offered a job by GE as a salaried electrical engineer in the Central Station Engineering Department – the first professional female electrical engineer in the United States. She retired from General Electric in 1945.

calculator & electric circuit

Category:
Engineering, Electrical

Completion Status:
yes

Patent Number:
1552113;2339052

Co-Inventor:
none