Which mathematical field did Oughtred contribute to, aside from inventing tools?
Statistics
Number theory
Geometry
Calculus
Answer
Geometry was Oughtred's major mathematical contribution, aside from his tool inventions. He primarily focused on the development and application of geometry, particularly through his innovative use of the slide rule, which he improved and popularized, making complex mathematical calculations more accessible and efficient.
Mastering Math with Oughtred: Deciphering the Life and Legacy of a Mathematical Virtuoso