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.

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

X
Y
123456789101112131415
1# # # # # # S # # # # # # # #
2# D # B # # # R # # # # # # #
3# # A # R L # # E # # # # # S
4# # R V # A A # # G # # # L E
5# # C # I # M N # # E # # A T
6# # H ( S D # H O # # T # N A
7# # I # A # H # A I # # N O R
8# # M # A + # I # G T # # I C
9# # E # C # B # L # U A # T O
10# # D # N # # ) # B # P R A P
11# # E # E # # # ( # E # T R P
12# # S # W # # # # B # R # A I
13# # # # T # # # # # - # T # H
14# # # # O # # # # # # B # # #
15# # # # N # # # # # # # ) # #
Word X Y Direction
(A+B)(B-B)  57se
ARCHIMEDES  33s
BRAMHAGUPTA  42se
DAVIDHILBERT  88se
HIPPOCRATES  1513n
INTEGERS  148nw
IRRATIONAL  1512nw
ISAACNEWTON  55s
RATIONAL  1411n