Barnes & Noble: Computer demonstration by Futurekids, 3 p.m. Saturday, Kahala Mall.
Program on Intimate Ensembles: Chamber Music and the 21st Century, by J. Mark Scearce from the University of Hawaii, 2 p.m. Sunday.
Retirement planning with Merrill Lynch, 7 p.m. Tuesday. Tonja L. Demoff gives a seminar for women, Speak Out with Confidence, 7:30 p.m. Wednesday. John A. Woodward demonstrates handwriting analysis, 7:30 p.m. Oct. 10.
Oahu Civic Orchestra: Rehearsals, 7 p.m. Mondays, Eiben Hall, Chaminade University. Call 261-6127.
Honolulu Chorale: Rehearsals, Tuesday evenings, St. Andrews Priory. Call 944-8017.
Na Leo Lani, Sweet Adelines: Womens barbershop group rehearses, 6:30 p.m. Tuesdays, St. Francis School. Call 373-3192.
Honolulu Community Concert Band: Rehearsals, 6:45 p.m. Tuesdays, Aiea High School Band Room. Call 236-7057.
The Sounds of Aloha Chorus: Rehearsals for mens a cappella chorus, 7 p.m. Thursdays, Ala Wai Golf Course Clubhouse. Call 262-7664.
Philippine folk dancing: 2:30 to 4:30 p.m. Saturdays, Lanakila Gym. Free. Call 455-9963.
Israeli dancing: 1 to 4 p.m. Sundays, Ala Wai Clubhouse. Costs $3.50. Call 373-2561.
Swing Dance Party: Mini-lesson on the West Coast swing starts the dancing, 6 to 9 p.m. Sunday, Ala Wai Golf Course Clubhouse Ballroom. Admission $4.
International folk dancing: Includes Bulgarian, Greek, Rumanian and Israeli dances, 7 to 9:15 p.m. Sundays, Makiki District Park. Donation. Call 923-0362.
Square dancing: With the Square Wheeler Club, 7 to 9:30 p.m. Mondays, Kapiolani Park Bandstand. Costs $3. Call Mel at 946-6320.
Line dancing: 9:30 a.m. Tuesdays, Waikiki Community Center. Costs $3. Call 923-1802.
Free lesson 6:30 p.m. Tuesdays through Oct. 22 at Kaneohe Community & Senior Center. Call 233-7318.
Kodak Hula Show: 10 a.m. Tuesdays, Wednesdays and Thursdays. Free. Call 627-3300.
Tap dancing: Jack Cione teaches adults for $1 per class. Beginners meet 1 p.m. Tuesdays at Ala Wai Clubhouse or 7 p.m. Thursdays at Makiki Park; intermediate dancers, 7 p.m. Wednesdays at Kilauea Park; advanced dancers, 2 p.m. Tuesdays at Ala Wai Clubhouse, 8 p.m. Wednesdays at Kilauea Park or noon Thursdays at Waikiki Community Center. Call 922-8401.
African and Caribbean dance: Classes with Halifu Osumare, 7:30 to 9 p.m. Tuesdays, Studio 2, UH-Manoa Athletic Complex. Costs $10; four classes $32. Call 377-3786 or 988-6723.
Scandinavian dancing: 7 to 9 p.m. Wednesdays, Ala Wai Golf Course Clubhouse. Free. Call 922-0793 or 955-2577.
Scottish country dancing: 7 p.m. Wednesdays, Moiliili Community Center. Call 737-1897.
Pali Twirlers square dance: 7:30 to 9:30 p.m. Thursdays, Yacht Club Terrace. Call 254-2333. CLASSES
Hawaiian quilting class: With Poakalani Serrao, 9:30 a.m. to noon Mondays and Saturdays, Queen Emma Summer Palace. Charge. Call 524-0394.
Bicycling for Adults: League of American Bicyclists Effective Cycling program covers equipment, repairs, safety and fitness, Sundays, Oct. 6 through Dec. 1, Island Triathlon & Bike, 569 Kapahulu Ave. Costs $150; includes text. Call 732-7227.
Hands-on gardening: 9 to 11 a.m. Wednesdays, Wahiawa Botanical Garden. Free. Call 621-7321.
Christmas demonstrations: Volunteers from the Oahu Association for Family & Community Education offer ideas for simple, economical gifts, decorations and dishes.
McCully Library has the first demonstration 7:30 p.m. Monday. Others will be 10 a.m. Oct. 17 at Liliha Library; 7:30 p.m. Oct. 18 at Pearl City Library; 7:30 p.m. Oct. 29 at Kahuku Library; 7:30 p.m. Oct. 30 at Wahiawa Library; 7:30 p.m. Nov. 6 at the Waimanalo and Waipahu libraries; and 7:30 p.m. Nov. 7 at Windward Community College, Eckerdt 102.
The free, one-hour workshops are sponsored by the Cooperative Extension Service of the University of Hawaii. Call 247-0421. Disabled persons are asked to call 10 days in advance.
Learn to swim: Nuuanu YMCA has classes for adults on Tuesdays and Thursdays, Oct. 8 through Nov. 7. Costs $75 general. Call 536-3556.
American Friends Service Committee: Video Theater features brief videos on local and national issues such as Manoas restrictions on private development, racism and the U.S. military in the Philippines, 9 a.m. to 1 p.m. Saturday, Friends Meeting House, 2426 Oahu Ave. Also, food, crafts and fellowship. Call 988-6266.
Hawaiian Botanical Society: Art Medeiros from Haleakala National Park speaks on conservation in Kipahulu and Kahikinui, Maui, 7:30 p.m. Monday, UH-Manoas St. John Hall, Room 11. Call 956-3938.
The Prosperos: Womens self-exploration support/study groups discuss Life Issues through Myth and Story, Tuesdays and Wednesdays through Nov. 13 in Honolulu and on the Windward side. Call 247-9797. CLUBS
Chess clubs: Mililani club meets 6 p.m. Mondays; call Guy at 625-2769. Chess Fans, 3 p.m. Saturdays, Harbor Center, Aiea; call Richard at 488-1221 or 456-0895.
Toastmasters: Practice speaking skills, noon Tuesdays, Net Cafe, Pucks Alley. Call Maggie at 941-9929.
Scrabble club: 9:15 a.m. Mondays, 2933 Kalakaua Ave. Call 923-9060. Also 7 p.m. Wednesdays, Barnes & Noble, Kahala. Call 377-0893.
City Views series: Mark Helbling speaks on Harlem in the Harlem Renaissance, noon Friday, UH-Manoas Porteus Hall, Room 116. Bring lunch. Call 956-4050 or 956-6865.
Bachs Lunch: Free organ concert, noon Fridays, St. Andrews Cathedral. Call 524-2822.
Royal Hawaiian Band: 12:15 p.m. Fridays, Iolani Palace. Also 2 p.m. Sundays at Kapiolani Bandstand.
Fashion show luncheon: Designs from Escada, Mamo Howell, Armani, Ralph Lauren and others, 12:15 p.m. Oct. 10, Plumeria Beach Cafe, Kahala Mandarin Oriental Hotel. Call 739-8776.
Aerobic workout: 6 p.m. Mondays, Tuesdays and Thursdays, Kuhio School cafeteria. Costs $1. Call 735-5755 or 732-5118.
Fall Super Sale: Plants, books, clothes and more, 9 a.m. to 1 p.m. Saturday, Central Union Church. Thrift shop is also open. Call 941-0957. Benefits mission projects.
Garage sale: T-shirts, furniture and more, 9 a.m. to 3 p.m. Saturday and Sunday, Koganji Temple, 2871 Oahu Ave., Manoa.
Open house at Honolulu Shipyard: Reserve by noon Tuesday to see the new SLICE vessel in final construction, 5:30 to 7:30 p.m. Wednesday at Pier 41. Costs $15; includes picnic buffet. Call 533-4403. Presented by Propeller Club and Society of Naval Architects & Marine Engineers.
Free puppet show: Randel McGee presents his baby dinosaur, Groark, 7:30 p.m. Wednesday, McCoy Pavilion, Ala Moana Beach Park. McGee and his wife, Marcia, also do a shadow puppet show. Potluck dinner 6:15 p.m.; talk story after the show, part of Bankoh Talk Story Festival.