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

X
Y
123456789101112131415
1# # ( # # # # # # # # # # # #
2B R A M H A G U P T A # # D #
3# # + # I R R A T I O N A L #
4# # B # P # # # # # # V R # #
5# # ) L P # # # # # I # C # #
6# # ( A O # # # # D S # H # #
7# # B N C # # # H # A # I # #
8# # - O R # # I # # A # M # #
9# # B I A # L # N # C # E # #
10# # ) T T B # # # T N # D # #
11# # # A E # # # # # E # E # #
12# # # R S # # # # # W G S # #
13# # T # # # # # # # T # E # #
14# # # # # # # # # # O # # R #
15# # # # # # # # # # N # # # S
Word X Y Direction
(A+B)(B-B)  32s
ARCHIMEDES  133s
BRAMHAGUPTA  12e
DAVIDHILBERT  88sw
HIPPOCRATES  52s
INTEGERS  88se
IRRATIONAL  53e
ISAACNEWTON  115s
RATIONAL  412n