Blizz-ABS, the ultimate Action Battle System!

$game_variables[10] =Math.hypot(($game_variables[1] -$game_variables[9].abs)($game_variables[2] -$game_variables[8].abs))

Shouldn't those Yen signs be $game_variables?

$game_variables[10] =Math.hypot(($game_variables[1] -$game_variables[9].abs), ($game_variables[2] -$game_variables[8].abs))