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At one time, it was thought that an attempt to run a spreadsheet program on a microcomputer must be doomed to failure. Yet VU-Calc has all the functions you need for practical use.

On a 48K machine, it provides a matrix of 60 columns and 60 rows, four columns and 18 rows being visible at one time. The visible part of the matrix can be moved rapidly to a new position, allowing the whole array to be examined. Each 'box' provides room for seven characters, but text can be over-run into the next box.

A box can contain text, a number, or the result of a calculation based on the numbers in other boxes, using a mathematical equation entered by the user. The usual four mathematical functions available on calculators may be used. with brackets if needed.

Operation is straighforward once the essential concepts have been absorbed, and the contents of the matrix can be saved on tape and later reloaded. The only problem encountered was that the 'EXAMPLE' program on the side B failed to perform in a useful way, merely loading three ones into separate boxes. but a full array was loaded and restored without difficulty.

There are so many possible ways of using this program that it may take some time to realise its full potential. One matrix already stored away safely gives practice times for Grand Prix drivers, another contains household budget details, and those were the product of the first hour of serious use! Only the imagination of the user imposes a limit to the possibilities.

D.T.