#1
make a list of tunings so i can remember them all >.< (have most by heart but get confused going all around from standard to drop a you know lol)
#2
Standard: E A D G B e

Half Step Down: Eb Ab Db Gb Bb eb

Dropped D: D A D G B e

Dropped D Standard: D G C F A d

Dropped Db: Db Ab Db Gb Bb eb

Dropped C: C G C F A D

Dropped B: B F# B E G# C#

Dropped Bb: Bb F Bb Eb G C

Dropped A: A E A D Gb B

Open G: D G D G B D

Open E: E B E G# B E

Some random ones in there, endless number of tunings