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ZX Spectrum 48K

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Mike Wright
Chris Bourne

FOR MANY years University Software has provided a range of high quality statistical programs for the Spectrum and ZX-81. Improved and revised versions of two of those - Statistics and Super-Regression - are now available for the 48K Spectrum as UNISTAT, a general purpose statistical package.

It contains cassette and microdrive versions of the programs and is priced at £60.00. The package is aimed at statisticians and students of statistics.

The package contains options to generate all the statistics, statistical tests, distributions and diagrams most users are likely to need. The multivariate regression program will cope with exponential and geometric equations as well as the more usual linear equations.

The cartridge version allows the use of one or two microdrives and a full-sized printer with an RS232 interface, but no allowance has been made for Centronics interfaces.

About 2500 pieces of data can be handled but that is reflected in the poor error-trapping which are only partly due to the programs being written in Basic. They are also slow when handling large amounts of data.

Menus are cramped into the bottom few lines of the screen with several options per line. However, if you are going to use the Spectrum for statistical work then UNISTAT offers the most complete package available.

Mike Wright

University Software, 29 St Peter's Street, London N1 8JP
Price: £60.00

Not Rated