Free — Printable Charts

D — A — D — G — A — D

one string down · everything else unchanged

every string down a semitone · same shapes

the deepest of the open tunings

the open strings are already D major

the open strings are already G major

the sixteen compass points with exact bearings: four cardinal, four intercardinal, eight in between

from the first synapsid to us · 320 million years on one axis

when each group appeared · five hundred million years on one axis

the 13 zones by average annual extreme minimum — each range in °F and °C, with the a and b half-zones

fifteen formulas · every letter explained beneath it

the seven codes on the bottom of an article per ASTM D7611: which resin each number names and what it means for sorting