North American personal computer application software sales for the third quarter 1992 were 11.6% ahead of the year-ago figure at an estimated $1,430m, measured at retail, the Software Publishers Association in Washington reports. The figure represents a slowing, because for the first three quarters, sales were up 17.5% at $4,150m – but sales of MS-DOS, Windows and Macintosh home education software were all more than 50% higher in the third quarter of 1992 than they were a year ago and were $39m – that’s all those cheap machines that have been flooding the market. A total of $644m of MS-DOS applications of all kinds were sold in the third quarter of 1992, a decline of 16%; Windows applications in North America soared 91% to $487m in the quarter, but that is slower than teh 178% in the second quarter. Sales of Macintosh applications reached $243m in the quarter, an rise of 17%.