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.

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

X
Y
123456789101112131415
1# # # H N # # S # # # # # # #
2# # # I O # # R # # # # # # #
3# # # P T # # E # # # # T # #
4# # # P W # # G # # # R A I #
5# # ) O E # # E # # E A T R #
6# # B C N # # T # B # T P R #
7# # - R C # # N L # # I U A #
8# # B A A # # I # # # O G T #
9# # ( T A # H # # # # N A I #
10# # ) E S D # # # # # A H O #
11# # B S I # # # # # # L M N #
12# # + V # # # # # # # # A A #
13# # A R C H I M E D E S R L #
14# D ( # # # # # # # # # B # #
15# # # # # # # # # # # # # # #
Word X Y Direction
(A+B)(B-B)  313n
ARCHIMEDES  313e
BRAMHAGUPTA  1314n
DAVIDHILBERT  88ne
HIPPOCRATES  41s
INTEGERS  88n
IRRATIONAL  144s
ISAACNEWTON  511n
RATIONAL  124s