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Early IBM APL interpreters for IBM 360 and IBM 370 hardware implemented their own multi-user management instead of relying on the host services, thus they were their own timesharing systems. First introduced for use at IBM in 1966, the APL\360 [21] [22] [23] system was a multi-user interpreter.
Before Unicode, APL interpreters were supplied with fonts in which APL characters were mapped to less commonly used positions in the ASCII character sets, usually in the upper 128 code points. These mappings (and their national variations) were sometimes unique to each APL vendor's interpreter, which made the display of APL programs on the Web ...
a file system to store APL variables outside of the APL environment; STSC continued to make enhancements to the interpreter, notably improving the performance of many of the primitive functions. In 1985, Dan Dyer of STSC and Ian Sharp of I. P. Sharp Associates jointly received the Kenneth E. Iverson Award for Outstanding Contribution to APL.
This compact system provides a dedicated, high-level-language computer and a versatile data acquisition and control interface for experiments in which data rates do not exceed 9600 baud. Two experiments exemplify the use of the system. The Research Device Coupler described in this paper is a prototype of the IBM 7406 Device Coupler."
I. P. Sharp Associates (IPSA) was a major Canadian computer time-sharing, consulting and services firm of the 1970s and 1980s.IPSA is well known for its work on the programming language APL, an early packet switching computer network named IPSANET, and a powerful mainframe computer-based email system named 666 Box, stylized as 666 BOX.
ELI [3] is an interactive array programming language system based on the programming language APL.It has most of the functions of the International Organization for Standardization (ISO) APL standard ISO/IEC 13751:2001, and also list for non-homogeneous or non-rectangular data, complex numbers, symbols, temporal data, and control structures.
Kenneth Eugene Iverson (17 December 1920 – 19 October 2004) was a Canadian computer scientist noted for the development of the programming language APL.He was honored with the Turing Award in 1979 "for his pioneering effort in programming languages and mathematical notation resulting in what the computing field now knows as APL; for his contributions to the implementation of interactive ...
The programming language APL uses a number of symbols, rather than words from natural language, to identify operations, similarly to mathematical symbols.Prior to the wide adoption of Unicode, a number of special-purpose EBCDIC and non-EBCDIC code pages were used to represent the symbols required for writing APL.