m = Dy / Dx
(slope equals the change in y over the change in x)
where Dy = y2 - y1* and,
x1 ¹ x2
playlist:
"Lay and Love" by Bonnie 'Prince' Billy from the album The Letting Go (this you’d play it in the hen house to get them to lay double yolkers, but the indigo-girls-like harmonics are grrreat)
Actionslacks - Shining Jewels
Ben Weaver :: Geisha (unmastered, i.e. you could exfoliate on it)
bonus - Cake – The Hem of Your Garment – for the fph who likes Cake (and soup)
leaving approximately my big toe unscathed