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From: t68@nikhefh.uucp (Jos Vermaseren)
Newsgroups: sci.math.symbolic
Subject: Re:schoonschip
Message-ID: <209@nikhefh.UUCP>
Date: Tue, 18-Nov-86 07:11:17 EST
Article-I.D.: nikhefh.209
Posted: Tue Nov 18 07:11:17 1986
Date-Received: Tue, 18-Nov-86 21:38:45 EST
Reply-To: t68@nikhefh.uucp (Jos Vermaseren)
Organization: NIKHEF-H  Amsterdam (the Netherlands)
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Apparently-To: rnews@mcvax



>We are looking for any information concerning the availability of SCHOONSCHIP
>originaly written by M. Veltman (CERN PREPRINT 1967) and H. Strubbe
>(Computer phys. comm. 8 1-30) for a CDC computer.
>This program is aimed for symbolic evaluation of algebraic expressions and
>is quite suited for Feymann diagramm computations.
>This package is not anymore maintained on CDC to our knowledge.

Schoonschip runs currently on an Atari ST and can be bought for $400 from
Topsoft,Inc 2300 Woodside, Ann Arbor, 48104 Michigan.
Using a hard disk with the Atari gives it a speed that is about 60% of a
Cyber 173, which translates to about 5% of a 7600.
The program comes in a ROM cartridge with a manual that is adequate for
persons who already know the language.
In a sample trace calculation I managed to pack more than 200,000 terms on
disk ( 8 Mbytes partition ) before the program started to complain about
lack of memory. So most programs will run normally. There are a few
compatibility problems as the new version is strictly case sensitive.

Jos Vermaseren
NIKHEF-H