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Which mathematical tool did Oughtred NOT invent?

  • Abacus

  • Slide rule

  • Circumferentor

  • Horizontal Instrument

Answer

The abacus is an ancient calculating device that has been used for centuries, consisting of beads on a wire frame. While it is commonly believed that William Oughtred invented numerous influential mathematical tools, including the slide rule, the abacus is not among his creations. Its origins predate Oughtred's time, with evidence suggesting its existence thousands of years before his era.
Mastering Math with Oughtred: Deciphering the Life and Legacy of a Mathematical Virtuoso

Mastering Math with Oughtred: Deciphering the Life and Legacy of a Mathematical Virtuoso

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