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.

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

X
Y
123456789101112131415
1# # # # N # # # # # # # ) # #
2# # # # O # # # # # # B # # #
3# # # # T # # # # # - # T # #
4# # S # W # # # # B # R # A H
5# # E # E # # # ( # E # T I #
6# # D # N # # ) # B # P P R #
7# # E # C # B # L # U P A R #
8# # M # A + # I # G O T # A #
9# # I # A # H # A C I # # T #
10# # H ( S D # H R O # # # I #
11# # C # I # M A N # # # # O #
12# # R V # A T A # # # # # N #
13# # A # R E L # # # # # # A #
14# D # B S # # # # # # # # L #
15# S R E G E T N I # # # # # #
Word X Y Direction
(A+B)(B-B)  59ne
ARCHIMEDES  313n
BRAMHAGUPTA  414ne
DAVIDHILBERT  88ne
HIPPOCRATES  154sw
INTEGERS  915w
IRRATIONAL  145s
ISAACNEWTON  511n
RATIONAL  146sw