Dangos 1 canlyniad

Disgrifiad archifol
Neuadd Wen Manuscripts, Ffeil Arithmetic -- Problems, exercises, etc.
Dewisiadau chwilio manwl
Rhagolwg argraffu Gweld:

Arithmetic,

Two notebooks containing a description by 'Watkin ap Mair Gwilym' of a system of arithmetic based on the dozen with a new terminology in Welsh, and exercises in arithmetic.