English philosopher Roger Bacon, the famous Doctor Mirabilis (“wonderful teacher”) from England, must have first used the word “almanac” in the latter part of the 13th century. Although the origin of the word is obscure, early almanacs were actually calendars that dealt with detailed movements of the heavenly bodies, as well as agricultural and meteorological data.
There are other known almanacs available in the market, like astrological and fictional almanacs, including almanac calculators. All these conjure images of statistics, graphs, illustrations, diagrams, tables and, of late, digitized photographs.
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