6.25 The Objector
6-50 Iteration and Convergence
7.15 Maths: Linear Equations
7.40 The Mannheim Sound
8.5 Combined Heat and Power
8.30 Mendelssohn's Dream
8.55 The National Interest
9.20 Two Yorkshire Families
9.45 TV and Politics: Britain (2)
10.10 The Chemistry Detectives
10.35 Roman interior Decoration
11.0 Maths: Heat Transfer
11.25 How Viruses Reproduce
11.50 Fiscal Policy: Stabilising?
12.15 Maths Across the Curriculum
12.40 Statistics: Sampling
1.5 Personality and Learning
1.30 Computer Program ' Popeye
1.55 More than Meets the Eye
2.20 Uranium
2.45 The Impact of Micros

Starring The Beatles
"Let It Be", with Paul McCartney, John Lennon, George Harrison and Ringo Starr, gives an intimate view of the most famous pop group ever - The Beatles. In what was to be their last appearance together on film, 'the most vital and versatile musical force of a musical generation' are shown rehearsing, recording and relaxing in this impromptu film. Twenty-two remarkable numbers include "Shake, rattle and roll", "Get back" and "Let it be".

Films: page 14

The Embassy World Professional Snooker Championship from the Crucible Theatre, Sheffield.
TERRY GRIFFITHS (3), RAY REARDON (4), DENNIS TAYLOR (5) and CLIFF THORBURN (2) are the seeded players who should be in contention today.DAVID VINE introduces highlights and news from all four of these matches. Commentators
TED LOWE , JACK KARNEHM
CLIVE EVERTON , VERA SELBY
Producers KEITH Phillips , BILL TAYLOR HAZEL LEWTHWAITE , MIKE ADLEY PETER HAMILTON
Executive producer NICK HUNTER
Book, Pot Black. £2.00 from booksellers Reports on Ceejax

An Open Door programme made by The Ramblers' Association.
' Walking in the countryside is such a simple form of recreation that it hardly seems necessary for there to be an organisation devoted solely to looking after walkers' interests. There is, however, just such a body-THE RAMBLERS' ASSOCIATION, and in this programme we want to show why it exists and what it does.'
A public access programme made with the help of the COMMUNITY programme UNIT

Presented by Ludovic Kennedy , who discusses the musical documentary Jerusalem's Army (Central), Nye (BBC1) and the local government drama County Hall (BBC2) with Peregrine Worsthorne, Associate Editor of the Sunday Telegraph, the journalist Jill Cralgie and Enid Hattersley , Lord Mayor of Sheffield. Professor Laurie Taylor wonders why we continue to watch TV programmes when we remember almost nothing of ./ what we have seen.
Director TONY TYLEY. Series producer JOHN ARCHER
ProducerSUE mallinson

with Jan Leeming ; Weather

This fictional series tells an intriguing story of political and human drama and of those who use and abuse power in the capital of the most powerful nation on earth. In six episodes starring
4: The death of ex-President Esker Anderson re-unites CIA Director Bill Martin and his wife Linda.
Meanwhile, a blocked diplomatic appointment and an attempt to smear an anti-war activist further undermine the public image of Richard Monckton's administration.
Written by DAVID w. RINTELS and ERIC bebcovici , based on The Company byJOHN eiiblichman Produced by NORMAN POWELL
Directed by GARY NELSON

The Embassy World Professional Snooker Championship from The Crucible Theatre, Sheffield.
Ex-World ChampionsTERRY GRIFFITHS (1979). JOHN SPENCER (1969, 1970, 1977) and ALEX HIGGINS (1972) as well as the runner-up last year, DOUG mountjoy , are scheduled to contest tonight's second-round matches.DAVID VINE dntroduces highlights of these and news of earlier matches.

The Middlesex Sevens from Twickenham
The final Saturday of the rugby season by tradition provides a festival of sevens rugby at Twickenham. Last year's winners ROSSLYN PARK , runners-up LONDON WELSH and guest sides SWANSEA and STEWART'S MELVILLE are joined by 12 sides from the qualifying rounds. Introduced by NIGEL STARMER-SMITH
Commentator BILL MCLAREN
DirectorALASTAIR SCOTT
Series producerHUW JONES

I Call it Murder
1 The garbage dump of Middle America ' - that's what they call Chicago's ghettos. It's a place where the murder rate is far higher than Northern Ireland's, where half the population is on drugs or alcohol - and where the only free hospital is facing closure. Cuts have already shut down three of America's surviving free hospitals, more are under pressure. Now it's the turn of Cook County Hospital in Chicago.
In this documentary a Man Alive team meets the people who are fighting to keep it open, the patients who have already been rejected by other hospitals because of the darkness of their skins or the thinness of their wallets, and the doctor who says, I call it murder'. Reporter Jack Pizzey
Producer PAUL HAMANN

Jack Pizzey reports on the challenges facing staff at Cook County Hospital in Chicago, one of the few surviving free hospitals in the USA, which soon faces closure.

with Jan Leeming ; Weather

Further coverage from Sheffield.

starring Orson Welles
Paola Mort , Robert Arden
Gregory Arkadin , a fabulously wealthy and powerful financier, claims that he has no memory of his life prior to 1927. He engages Van Stratten. a young adventurer, to prepare a confidential report and piece together the fragments of his shadowed past, Van Stratten soon finds himself exploring the dark labyrinths of an inextricable maze where Arkadin is always one step ahead.
In this remarkable film Orson Welles transforms a conventional melodrama into a stylish and intriguing display of cinematic magic.
Written, produced and directed by ORSON WELLES , based on his own novel (First showing on British television) . Films: page 14