Caiff Dei glywed am hanes mathemateg yng Nghymru gyda Gareth Ffowc Roberts. We hear about the history of maths in Wales with Gareth Ffowc Roberts. Show more
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Caiff Dei glywed am hanes mathemateg yng Nghymru gyda Gareth Ffowc Roberts. We hear about the history of maths in Wales with Gareth Ffowc Roberts. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
