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

X
Y
123456789101112131415
1# # # # # # # # # # # ( # # #
2# # # A T P U G A H M A R B #
3# # T # # # # # # # # + # # #
4# # # R A T I O N A L B S # #
5# L # # E # # # # # # ) E # #
6# # A # # B # # # # # ( D # #
7# # # N # # L # # # # B E # #
8# # # # O # # I # # # - M # #
9# # # # # I # # H # # B I # #
10# # # # # # T # # D # ) H # #
11N O T W E N C A A S I # C # #
12# # # # # # # # R # # V R # #
13# # # # # # # # # R # # A # #
14# S E T A R C O P P I H # D #
15# I N T E G E R S # # # # # #
Word X Y Direction
(A+B)(B-B)  122s
ARCHIMEDES  1313n
BRAMHAGUPTA  142w
DAVIDHILBERT  88nw
HIPPOCRATES  1214w
INTEGERS  215e
IRRATIONAL  1114nw
ISAACNEWTON  1111w
RATIONAL  44e