Percentage Calculator Percentage calculator is a tool that lets you do a simple calculation: how many percent of X is Y? The tool is pretty straightforward. All you need to do is fill in two fields and the third one will be calculated for you. Other than being helpful with learning percentages and fractions, this tool is handy in many different situations. If people do not believe that mathematics is simple, it is only If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is Scanning Electron Micrographs of Diatoms Title: John von Neumann
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Isopsephy Isopsephy (/ˈaɪsəpˌsɛfi/; ἴσος isos meaning "equal" and ψῆφος psephos meaning "pebble") is the Greek word for the practice of adding up the number values of the letters in a word to form a single number. The early Greeks used pebbles arranged in patterns to learn arithmetic and geometry. Isopsephy is related to Gematria, the same practice using the Hebrew alphabet, and the ancient number systems of many other peoples (for the Arabic alphabet version, see Abjad numerals). A Gematria of Latin-script languages was also popular in Europe from the Middle Ages to the Renaissance and indeed its legacy remains in numerology and Masonic symbolism today (see arithmancy). History Until Arabic numerals were adopted and adapted from Indian numerals in the 8th and 9th century AD, and promoted in Europe by Fibonacci of Pisa with his 1202 book Liber Abaci, numerals were predominantly alphabetical.
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100 Search Engines For Academic Research Back in 2010, we shared with you 100 awesome search engines and research resources in our post: 100 Time-Saving Search Engines for Serious Scholars. It’s been an incredible resource, but now, it’s time for an update. Some services have moved on, others have been created, and we’ve found some new discoveries, too. Many of our original 100 are still going strong, but we’ve updated where necessary and added some of our new favorites, too.