NPL


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NPL

(1)
New Programming Language. IBM's original (temporary) name for PL/I, changed due to conflict with England's "National Physical Laboratory." MPL and MPPL were considered before settling on PL/I. Sammet 1969, p.542.

NPL

(2)
A functional language with pattern matching designed by Rod Burstall and John Darlington in 1977. The language allowed certain sets and logic constructs to appear on the right hand side of definitions, E.g.

setofeven(X) <= <:x: x in X & even(x) :>

The NPL interpreter evaluates the list of generators from left to right so conditions can mention any bound variables that occur to their left. These were known as set comprehensions. NPL eventually evolved into Hope but lost set comprehensions which were called list comprehensions in later functional languages.

[John Darlington, "Program Transformation and Synthesis: Present Capabilities", Research Report No. 77/43, Dept. of Computing and Control, Imperial College of Science and Technology, London September 1977.]

NPL

(3)
NonProcedural Language. A relational database language developed by T.D. Truitt et al in 1980 for Apple II and MS-DOS.

["An Introduction to Nonprocedural Languages Using NPL", T.D. Truitt et al, McGraw-Hill 1983].

NPL

On drawings, abbr. for nipple.
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Simon Towers, managing director of NPL Estates, said: "We would be happy to meet Ms Hall to discuss her concerns and hopefully reassure her.
He said: "Since 2000 the bulk of the large foundry contracts have been shipped overseas to low-cost economies in the Far East and Eastern Europe, but NPL is now seeing resurgence in business as smaller, technically adept foundries corner the market for niche prototyping work across a range of industries.
The NPL is part of North-East England's world-class festivals and events programme for 2007.
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NPL has accepted an offer for a 55 per cent stake from Arrk Product Development Group, whose parent is the giant Arrk Corporation of Japan, the world's biggest toolmaker and producer of prototypes.
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It remains to be seen whether the FSA and Takenaka can achieve their goal of reducing the nonperforming loan (NPL) ratio of major banks by half (it is currently more than 8 percent), or in other words, writing off by fiscal 2004 over [Yen]13 trillion of nonperforming loans, which continue to grow faster than the current pace of NPL liquidation.