K is a historical programming language created in 1993. K is a proprietary array processing language developed by Arthur Whitney and commercialized by Kx Systems. Since then, an open-source implementation known as Kona has also been developed. The language serves as the foundation for kdb+, an in-memory, column-based database, and other related financial products. Read more on Wikipedia...

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Example code from the Hello World Collection:

/ Hello world in K

"Hello world!"

Last updated October 14th, 2019