6.40 ESR Spectroscopy

7.5 Maths: Diagonalising Matrices

7.30 Area for Revision

A programme for children under 5 Presenters
Sheelagh Gilbey , Ben Thomas

The Sun Alliance
PGA Championship from
Ganton. PETER ALLISS introduces coverage of the first round of this E70,000 event.
Nick Faldo defends the title he won last year at Sandwich. Commentators
CLIVE CLARK , BRUCE CRITCHLEY ALEX HAY , TONY JACKLIN
Television presentation
RICHARD TILLING , ALASTAIR SCOTT
Executive producer DAVID KENNING
PGA reports on Ceefax

4.50 Chancellor's School

5.15 Materials Under Stress

5.40 Writing Together

6.5 Poetry in Translation

6.30 Changing Sea Levels

BBC2 Snooker Championship
The fourth of eight programmes
Six players continue to compete for the Junior Pot Black Trophy, featuring, in group one:
Greg Jenkins (Australia), former Queensland Junior Champion, v
John Keers (Newcastle), North East and Scotland (Under 16) Champion, and in group two:
Tony Pyle (Exeter), 1979 British Boys Champion, v
Dean Reynolds (Grimsby), Lincolnshire and South Humberside Junior Champion.
Two important games which take the winners nearer to the semi-finals!
Introduced by ALAN WEEKS Referee JOHN WILLIAMS Commentator TED LOWE
Summaries by JACK KARNEHM
Director ROY NORTON
Producer REG PERRIN. BBC Birmingham

including sub-titles for the hard-of-hearing, followed by Weather

The fourth in a series of seven ten-minute films by DENIS MITCHELL 4: The Miller
A portrait of Yorkshireman GEORGE LEATT , owner of an old water mill, and a well-known judge in the dog world.
A DMF production

Geoffrey Smith with Arthur Billitt at Clack's Farm sprays fruit trees after the blossom and roses against insect pests. They plant out bedding plants and thin annuals.
Producer JOHN KENYON. BBC Birmingham

The civil war in El Salvador, following the overthrow of the Somoza regime in Nicaragua, presents a dilemma for American foreign policy. Are events in Central America a local and spontaneous reaction to oppressive governments, or are they part of a wider plan to subvert America's next-door-neighbours with Cuban help? Steve Bradshaw reports for Newsweek from Washington on the response to the current upheavals, and their effect on President Reagan's foreign policies.
Producer ANN MOIR
Editor PETER IBBOTSON

A duel of words and wit between Arthur Marshall Maureen Lipman
Frank Middlemass and Frank Muir
Jill Gascoine , Ian Ogilvy Referee Robert Robinson
Devised by MARK GOODSON and BILL TODMAN Directed by PAUL CIANI Producer ROGER ORDISH

by JAMES SAUNDERS
' I am wearing a large hat. I'm looking, looking at the camera. This picture will last forever. But I shall die.'
At the turn of the century Katie waits to have her childhood preserved forever in a photograph. The print is found 80 years later by Sophie who is similarly obsessed by thoughts of her own mortality.
Music composed by JEREMY NICHOLAS
Sound MALCOLM JOHNSON
Lighting JOHN GREEN
Designer CHRIS PEMSEL
Producer TERRY COLES
Director BILL HAYS

Pickles
A unique parable on modern life by the brilliant Italian animator, BRUNO BOZZETTO.

with PETER SNOW, CHARLES WHEELER , JOHN TUSA and PETER HOBDAY.

Writer Mike Hennessey talks about the growth of jazz as an international music language and illustrates the theme with excerpts from the Montreux Festivals.
Tonight's programme features Naoya Matsuoka Big Band Monty Alexander Trio -George Coleman Octet
Director FRANÇOIS JAQUENOD , SWISS TV Producer DONALD SAYER

The Sun Alliance
PGA Championship from Ganton
PETER ALLISS introduces highlights ot tne first round of this prestigious tournament.

The Probe starring
A perfectly normal trans-oceanic cargo plane flies into a hurricane and ditches into the sea. The crew scramble into a life-raft and run aground on a strange solid surface.
Produced by BEN BRADY
Teleplay by SEELEG LESTER Story by SAM NEUMAN
Directed by FELIX FEIST
Executive producer LESLIE STEVENS tBlackandwhite)