H ? « ‹ ← → › »

Language peer sets for ESIX:
United States↑
United States/1967↑
Designed 1967 ↑
1960s languages ↑
Third generation↑
High Cold War↑
Genus Generation of JOSS I ↑
On-Line ↑
Generation of JOSS I↑
JOSS family↑
Conversational ↑
Generation of JOSS I/1967↑
JOSS family/1967↑
Conversational/1967↑
Generation of JOSS I/United States↑
JOSS family/United States↑
Conversational/United States↑
On-Line ↑
On-Line/1967↑
On-Line/us ↑

ESIX(ID:5926/esi003)

ESI extended, JOSS dialect

alternate simple view

Country: United States
Designed 1967
Genus: Generation of JOSS I
Sammet category: On-Line

for Engineering and Scientific Interpreter eXtended

1967 Bob Supnik Applied Data Research - had bigger memory requirements and transcendental functions

Related languages

ESI	→	ESIX		Extension of
ESIX	→	FOCAL		Influence

Resources

Page at Debian ESI-X was the first stored program scientific interpreter for the PDP-8. ESI was designed by Dave Waks on 8/3/66 and was vaguely based on RAND's JOSS. In 1967 Bob Supnik extended the program to support 8KW of memory, and this became the "ESI-extended" or ESI-X FOCAL was eventually the successor of ESI-X.
Online documentation In 1967, Bob Supnik extended the program to use 8KW of memory and added
the transcendental functions.  Thereafter, the 4KW version was called
ESI-B (basic) and the 8KW version ESI-X (extended).  In 1968, Digital
Equipment wrote a very similar program, FOCAL, and gave it away for free;
this ended ESI-X' marketability.  In the 1970's, Applied Data Research
gave the binaries of the program to DECUS.  However, the source was
believed lost.

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