La vita inizia a quaranta – Life begins at forty It is pretty clear from the medieval texts I covered in the article, Ancient Arithmetic, that tennis game scoring, since time immemorial, was a four point system described as 15, 30, 45 and 60: Yet in modern parlance we use the number 40 to represent … Continue reading Ancient Arithmetic Appendix One: On The Use Of “Forty” Or “Forty-Five” To Count The Third Point In A Game Of Tennis