Chart

There was a time when unwieldy paper charts, parallel rules and stubby little pencils were essential aids to navigation. But they may be going the way of the sextant - off to the museums - what with all the electronic gadgets and gizmos available to a modern boater. The same technology that guided missiles and artillery shells to faraway targets during the Persian Gulf War now can help boaters - even the ones in small, open cockpit fishing boats - plot their positions, chart their courses and navigate safely home.

Due to technical difficulties, the regular home sales chart does not appear this week. The chart will resume next week.

Because of the special economic forecast section, the weekly money market rates, interest rate chart and Maryland bond chart do not appear today.

In Wednesday's cable TV chart comparing costs, Prestige's new basic monthly charge will be $21.50; the 3 percent franchise fee is added to that, as well as to all other charges, as the story said.

Because of space limitations, the weekly credit union chart will not run today. If you have a question about a credit union's rates, please call 332-6146.

This chart and map track recent movements in single-family home sales in Anne Arundel County by ZIP code. The chart lists sales volume and median price for January, 1992, the most recent month available, and compares those figures with 1991 statistics.These figures show general residential real estate price trends, and should not be misconstrued to show the relative increase or decrease in value of any particular property.G; The information is provided by Rufus S. Lusk & Son Inc.

  When he delivered his budget proposal last week, Baltimore County Executive Kevin Kamenetz announced that his plan would include money for air conditioning at a dozen schools.  The County Auditor's office has prepared a chart for the County Council showing the proportion of schools with and without air conditioning in each councilmanic district.  The chart ( https://docs.google.com/spreadsheet/ccc?key=0AsRDIs5LxYeQdFVjREdOVENLZU5RV2c2UU0yaTRKM1E )  shows that under Kamenetz's plan, the councilmanic district with the highest proportion of air conditioned schools would be Councilman Ken Oliver's 4 th District, with 82 percent of buildings air conditioned.

Lackluster earnings reports sent stocks plunging yesterday. The Dow Jones industrial average, which dropped 213.32, has lost all of the 325 points it gained in 2006. The chart below tracks the Dow since Jan. 3. IN BUSINESS, PG 8C