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.

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

X
Y
123456789101112131415
1# # # # N # # # # # # # S # #
2# S # # O # # # # # L R # B #
3# E # # T # # # # A E # T R (
4# T # # W # # # N G # R A A #
5# A # # E # # O E # E T + M #
6# R # # N # I T # B I B # H #
7# C # # C T N # L O ) # # A #
8# O # # A I # I N ( # # # G #
9# P # R A # H A B # # # # U #
10# P R # S D L - # # # # # P #
11# I # # I # B # # # # # # T #
12# H # V # ) # # # # # # # A #
13# # A R C H I M E D E S # # #
14# D # # # # # # # # # # # # #
15# # # # # # # # # # # # # # #
Word X Y Direction
(A+B)(B-B)  144sw
ARCHIMEDES  313e
BRAMHAGUPTA  142s
DAVIDHILBERT  88ne
HIPPOCRATES  212n
INTEGERS  68ne
IRRATIONAL  211ne
ISAACNEWTON  511n
RATIONAL  143sw