“…7 show examples). Examples of these guidelines were: eliminate what doesn't add to efficient use [4,5], information used sometimes, shouldn't be displayed always [11], use visual hierarchy [4,5], use default settings, more common tasks should be made easier [5], display data in a directly usable format for the user [12], limit the number of separation lines [13], simplify symbols as far as possible while keeping the understanding [14], group primary information on one display [15], minimize user options [5], and group information that is integrated mentally together [9].…”