my awesomest math puzzle

(A+B)(B-B)
ARCHIMEDES
BRAMHAGUPTA
DAVIDHILBERT
HIPPOCRATES
INTEGERS
IRRATIONAL
ISAACNEWTON
RATIONAL

it contains all math stuff

Try to find all 9 words on this board.

D N N G S K X Q M C A V K L G
M C T O Y W M E B N Z A G D Z
A H T S E D E M I H C R A Y A
T V S Q U T U N H A M V V N W
P L A N O I T A R R I V S F D
U D A P V E B L A D S ( E P V
G D H Y G Q H T H K A G T W E
A Q J E U J I I J + A X A O B
H Y R X A O L R B A C C R G J
M S I A N B W ) G T N Y C P U
A W W A E C ( H A N E N O G Y
R A L R F B R L G W W G P S Z
B L T F - J X Z V R T Q P U F
X G W B Q J H M L C O U I A D
L B ) I C D U N T J N A H V B
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Answer Key for my awesomest math puzzle

X
Y
123456789101112131415
1# # # # # # # # # # # # # # #
2# # # # # # # # # # # # # D #
3A # # S E D E M I H C R A # #
4T # # # # # # N # # # V # # #
5P L A N O I T A R R I # S # #
6U # # # # E # # A D S ( E # #
7G # # # G # # T H # A # T # #
8A # # E # # I I # + A # A # #
9H # R # # O L # B # C # R # #
10M S # # N B # ) # # N # C # #
11A # # A E # ( # # # E # O # #
12R # L R # B # # # # W # P # #
13B # T # - # # # # # T # P # #
14# # # B # # # # # # O # I # #
15# # ) # # # # # # # N # H # #
Word X Y Direction
(A+B)(B-B)  117sw
ARCHIMEDES  133w
BRAMHAGUPTA  113n
DAVIDHILBERT  88sw
HIPPOCRATES  1315n
INTEGERS  93sw
IRRATIONAL  115w
ISAACNEWTON  115s
RATIONAL  105sw