No. The hepatitis B vaccine series should not berestarted when doses are delayed; rather, the seriesshould be continued from where it left off. Thevaccine recipient should receive the second doseof vaccine now and the third dose 2â5 monthslater.
The symbol used by mathematicians to represent the ratio of a circle's circumference to its diameter is the lowercase Greek letter Ï, sometimes spelled out as pi, and derived from the first letter of the Greek word perimetros, meaning circumference. In English, Ï is pronounced as pie (/paÉª/, paÉª).
Why Is the Greek Letter Pi the Symbol for That Mathematical Ratio Anyway? If the spike in lookups of pi at Merriam-Webster.com are any indication, many caught wind that today was Pi Day but weren't quite sure why. Pi is the English spelling of the sixteenth letter of the Greek alphabet. It means both the symbol Ï denoting the ratio of the circumference of a circle to its diameter and the ratio itself: a transcendental number having a value rounded to eight decimal places of 3.14159265..