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.

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

X
Y
123456789101112131415
1# # S # # # # # # # # L # # B
2# # E L # # # # # # A # # D R
3# # T A # # # # # N # # A # A
4# S A N # # # # O # # V R # M
5# R R O # # # I # # I # C # H
6# E C I # # T # # D S ( H # A
7# G O T # A # # H # A # I # G
8# E P A R # # I # + A # M # U
9# T P R # # L # B # C # E # P
10# N I # # B # ) # # N # D # T
11# I H # E # ( # # # E # E # A
12# # # R # B # # # # W # S # #
13# # T # - # # # # # T # # # #
14# # # B # # # # # # O # # # #
15# # ) # # # # # # # N # # # #
Word X Y Direction
(A+B)(B-B)  117sw
ARCHIMEDES  133s
BRAMHAGUPTA  151s
DAVIDHILBERT  88sw
HIPPOCRATES  311n
INTEGERS  211n
IRRATIONAL  310ne
ISAACNEWTON  115s
RATIONAL  49n