Why is 'x' the unknown? | Terry Moore
TED Talks Education - En podkast av TED
Kategorier:
Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
TED Talks Education - En podkast av TED
Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.