The Ebey Diary is concluded with this installment. Its publication began in this Quarterly in the issue for July, 1916.
Euler is credited for popularizing the Greek letter π (lowercase pi) to denote the ratio of a circle’s circumference to its diameter, as well as first using the notation f(x) for the value of a function, the letter i to express the imaginary unit √-1, the Greek letter Σ (capital sigma) to express summations, the Greek letter Δ (capital delta) for finite differences, and lowercase letters to represent the sides of a triangle while representing the angles as capital letters.
Kind Reader the hand that pened the most of this volum is now cold with the icy chill of death. The loveing heart from whence flowed the passages of affection in this volum is forever stilled, But the sperit that animated and prevad all I trust still lives, more pure, and refined than when on earth. A sperit perfect rejoicing around the throne of God and a Savior forever.
Rebecca W. Ebey Departed this life on the 29 day of September A D 1853 at about 6 oclock P M. Aged 30 years 9 months & one day and in ninth year eleventh month and 26th day of wedlock.