blob: 34d91367af6b02f4bc48a7ce870b2b845be21006 (
plain)
1
2
3
4
5
6
|
Product integrals are to products, as integrals are to sums.
They have been around for more than a hundred years, they have
not become part of the standard mathematician's toolbox,
possibly because no-one invented the right mathematical symbol
for them. The authors have remedied that situation by proposing
the symbol and providing this font.
|