+**Arithmetic coding** is a form of [Entropy Coding](/wiki/Entropy_Coding) used for [Lossless Compression](/wiki/Lossless_Compression) of data. It encodes an entire message as a single fractional number, representing probabilities of symbols more accurately than block codes, thus achieving higher compression ratios.
+## See also
+- [Huffman Coding](/wiki/Huffman_Coding)
+- [Data Compression](/wiki/Data_Compression)
+- [Information Theory](/wiki/Information_Theory)
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