What does the word calculus mean?

Usage examples for calculus

  1. If a cystic calculus is present in the bladder it should be removed. – Common Diseases of Farm Animals by R. A. Craig, D. V. M.
  2. Some years later, when his method of fluxions was published, another and a worse controversy arose- this time with Leibnitz, who had also independently invented the differential calculus. – Pioneers of Science by Oliver Lodge
  3. Nevertheless, this former conception of his, when compared to that wonderful complexity of ethereal lines, colors, tints and half- tints which go to make up the modern New York girl, seemed inexpressibly simple, almost what plain arithmetic must appear to a man who has mastered calculus. – Tales From Two Hemispheres by Hjalmar Hjorth Boysen