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APL uses the term operator in Heaviside’s sense as a moderator of a function as opposed to some other programming language's use of the same term as something that operates on data, ref. relational operator and operators generally.
In 1982, he started the Dyalog APL project for Unix machines, [5] [6] and in 1988 became a partner and director of the Dyalog Company. In 2004, Scholes sold his shares in the company, but continued as a consultant and, in his words, pursued his passionate interest in APL programming on various mathematical topics in general and functional ...
When APL\360 was first introduced in 1968, there were no built-in means by which a user could directly access data from outside of the APL system. Thus, starting in 1969, IBM developed the shared variable facility. [2] Following APL.SV, the IBM VS APL and APL2 program products also supported shared variables, as did the IBM 5100 line of computers.
As of 2010, Unicode allows APL to be stored in text files, published in print and on the web, and shared through email and instant messaging. Entering APL characters still requires the use of either a specific input method editor or keyboard mapping, or of a specific touch interface. APL keyboard mappings are available for free for the most ...
Dyalog APL was first released by British company Dyalog Ltd. [107] in 1983 [108] and, as of 2018, is available for AIX, Linux (including on the Raspberry Pi), macOS and Microsoft Windows platforms. It is based on APL2, with extensions to support object-oriented programming, [109] functional programming, [110] and tacit programming. [111]
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In the early 1990s, Ken Iverson and Hui began collaborating on an advanced continuation of an APL-like language which they named J.The improvements were intended to fix some of the persistent character set issues that had plagued APL since its inception, and to add new advanced features such as support for parallel multiple instruction, multiple data (MIMD) operations.
The LA wildfires could cost insurance companies $30 billion. A lawyer who's helped recover millions in insurance claims shared his advice for those impacted.