The harmonic mean of numbers (where, ...,) is the number defined by. (1). The harmonic mean of a list of numbers may be computed in the Wolfram Language using. [ list ]. The special cases of and are therefore given by. (2). (3). and so on. The harmonic means of the integers from 1 to for, 2, ...
There are several theories about the origins of the Sanders name (see page on History Of Saunders) We believe our Sanders family originated in Scotland. Many of the early Sanders then migrated to England and Ireland and eventually to America.
Last name: Rice. Recorded as Rice, Ryce, Rhys, Reasce, Reece, Rees and Reese, this is regarded as a Welsh surname but is equally English. It originates from the pre 7th century Olde English personal name Ris or Rhys, meaning ardour or sometimes fiery warrior. The name first appears as Hris in the Anglo-Saxon Chronicles for the county of Cambridgeshire, in the year 1052, and as Rees in the Domesday Book of Cheshire, dated 1086.