ESI (Engineering and Scientific Interpreter)
8-504A

David J. Woks
Submitted by: Robert M. Supnik, Applied Data Research,
Cambridge, Massachusetts

ESI is an interactive scientific language modeled on JOSS.
Its features include: decimal arithmetic, two dimensional
arrays, direct and indirect statements, free format I/O,
extensive English language diagnostics, straightforward
statement syntax (every statement is a complete English sentence),
several built in functions. Overlays are included to
add and remove three extended functions - SIN, COS, SQRT.

Minimum Hardware:
4K PDP-8
Source Language:
MACRO-8X

Catalog: July 1973