How to use and read dUltimate dice  dUltimate written manual:
how to read a dUltimate die as a...
d20

look at the topmost △

look at the upper number within the △

you rolled a natural 20!
mnemonic: because the d20 is the largest die roll on the dU these numbers have the largest and boldest font. Also, d20 numbers are the uppermost ones within the triangle.
how to read a dUltimate die as a...
d12

look at the topmost ◯

look at the central number within this ◯

you rolled a 7
mnemonic: the second largest die has it's results in the second largest font
how to read a dUltimate die as a...
d10

look at the topmost △

look at the bottom number within this △

you rolled a 0 / 00

for d100 first read the double digit, reroll, then read the single digit and add the two numbers up
mnemonic: noted by 0/% sign to indicate its usage for either a single or double digit result
how to read a dUltimate die as a...
d8

look at the topmost △

look at the 8 o'clock positions in this △

you rolled a 2

IF however there is an ➞ instead of a digit

THEN follow the topmost ➞ to the neighboring △ and look at the 8 o'clock position
mnemonic: d8 is at 8 o'clock position and d8 number has "8 BIT" font
how to read a dUltimate die as a...
d6

look at the topmost ◯

count the pips in this ◯

you rolled a 1
mnemonic: pips instead of digits just like standard d6 casino dice
how to read a dUltimate die as a...
d4

look at the topmost △

count the small triangles at the 4 o'clock positions of this △

you rolled a 2

IF however there is a ➞ instead of small triangles

THEN follow the topmost ➞ to the nearest △ and look at the 4 o'clock position there
mnemonic: d4 is at 4 o'clock position with triangles instead of digits just like the standard d4 die shape
how to use the
arrows
for d4 and d8

look at the topmost △

IF there are ➞ at 4 and 8 o'clock position

THEN follow the topmost ➞ to the nearest △

Continue with the instructions for d4 or d8