diff --git a/datapacks/Bookshelf/data/bs.vector/functions/fast_normalize.mcfunction b/datapacks/Bookshelf/data/bs.vector/functions/fast_normalize.mcfunction
index 4697de3990..08f3167a77 100644
--- a/datapacks/Bookshelf/data/bs.vector/functions/fast_normalize.mcfunction
+++ b/datapacks/Bookshelf/data/bs.vector/functions/fast_normalize.mcfunction
@@ -1,52 +1,24 @@
-#__________________________________________________
-# INFO     Copyright © 2021 Altearn.
+# INFO ------------------------------------------------------------------------
+# Copyright © 2023 Gunivers Community.
 
-# Authors: Leirof
-# Contributors:
-# MC Version: 1.13
-# Last check:
+# Authors       : Leirof
+# Contributors  : 
 
-# Original path: bs.vector:classic/normalize
-# Documentation: https://bs-core.readthedocs.io//entity#vector
-# Parallelizable: <true/false/global>
-# Note:
+# Version: 1.0
+# Created: 19/02/2023 (1.19.2)
+# Last verification: 21/05/2023 (1.19.4)
+# Last modification: 21/05/2023 (1.19.4)
 
-#__________________________________________________
-# PARAMETERS
+# Original path : bs.vecotr:fast_normalize
+# Documentation : https://bookshelf.docs.gunivers.net/en/latest/vector#normalize
+# Note          :
 
-# Input: bs.vector.x (score dummy)
-# Input: bs.vector.y (score dummy)
-# Input: bs.vector.z (score dummy)
+# CODE ------------------------------------------------------------------------
 
-# Output: bs.vector.x (score dummy)
-# Output: bs.vector.y (score dummy)
-# Output: bs.vector.z (score dummy)
-
-#__________________________________________________
-# INIT
-
-scoreboard objectives add bs.vector.x dummy [{"text":"Bookshelf ","color":"dark_gray"},{"text":"Vector X","color":"aqua"}]
-scoreboard objectives add bs.vector.y dummy [{"text":"Bookshelf ","color":"dark_gray"},{"text":"Vector Y","color":"aqua"}]
-scoreboard objectives add bs.vector.z dummy [{"text":"Bookshelf ","color":"dark_gray"},{"text":"Vector Z","color":"aqua"}]
-
-#__________________________________________________
-# CONFIG
-
-# The final vector will have (almost) this length
-execute store success score #vector.fast_normalize.length bs.data run scoreboard players get @s bs.opt.0
-execute if score #vector.fast_normalize.length bs.data matches 1 run scoreboard players operation #vector.fast_normalize.length bs.data = @s bs.opt.0
-execute if score #vector.fast_normalize.length bs.data matches 0 run scoreboard players set #vector.fast_normalize.length bs.data 1000
-scoreboard players reset @s bs.opt.0
-
-#__________________________________________________
-# CODE
-
-### DEBUG
-tellraw @a[tag=bs.debug.vector.fast_normalize] [{"text":"> Bookshelf | ","color":"dark_aqua"},{"text":"Record from bs.vector:fast_normalize","color":"green","clickEvent":{"action":"run_command","value":"/tag @s remove bs.debug.vector.fast_normalize"},"hoverEvent":{"action":"show_text","contents":"Hide this debug"}}]
-tellraw @a[tag=bs.debug.vector.fast_normalize] [{"text":" Input: Vx=","color":"gray"},{"score":{"name":"@s","objective":"bs.vector.x"},"color":"aqua"},{"text":"e-3 Vy=","color":"gray"},{"score":{"name":"@s","objective":"bs.vector.x"},"color":"aqua"},{"text":"e-3 Vz=","color":"gray"},{"score":{"name":"@s","objective":"bs.vector.x"},"color":"aqua"},{"text":"e-3","color":"gray"}]
-tellraw @a[tag=bs.debug.vector.fast_normalize] [{"text":" Normalization lenght=","color":"gray"},{"score":{"name":"#vector.fast_normalize.length","objective":"bs.data"},"color":"aqua"},{"text":"e-3","color":"gray"}]
-### END DEBUG
+# Lenght after normalization
+execute unless score @s bs.opt.0 matches 1.. run scoreboard players set @s bs.opt.0 1000
 
+# Getting absolute value of each component
 scoreboard players operation #vector.fast_normalize.x bs.data = @s bs.vector.x
 scoreboard players operation #vector.fast_normalize.y bs.data = @s bs.vector.y
 scoreboard players operation #vector.fast_normalize.z bs.data = @s bs.vector.z
@@ -55,24 +27,26 @@ execute if score #vector.fast_normalize.x bs.data matches ..-1 run scoreboard pl
 execute if score #vector.fast_normalize.y bs.data matches ..-1 run scoreboard players operation #vector.fast_normalize.y bs.data *= -1 bs.const
 execute if score #vector.fast_normalize.z bs.data matches ..-1 run scoreboard players operation #vector.fast_normalize.z bs.data *= -1 bs.const
 
+# Getting the maximum component of the vector
 scoreboard players operation #vector.fast_normalize.max bs.data = #vector.fast_normalize.x bs.data
 execute if score #vector.fast_normalize.y bs.data > #vector.fast_normalize.max bs.data run scoreboard players operation #vector.fast_normalize.max bs.data = #vector.fast_normalize.y bs.data
 execute if score #vector.fast_normalize.z bs.data > #vector.fast_normalize.max bs.data run scoreboard players operation #vector.fast_normalize.max bs.data = #vector.fast_normalize.z bs.data
 
-scoreboard players operation @s bs.vector.x *= #vector.fast_normalize.length bs.data
-scoreboard players operation @s bs.vector.y *= #vector.fast_normalize.length bs.data
-scoreboard players operation @s bs.vector.z *= #vector.fast_normalize.length bs.data
+# Multiplying the vector by the final length
+scoreboard players operation @s bs.vector.x *= @s bs.opt.0
+scoreboard players operation @s bs.vector.y *= @s bs.opt.0
+scoreboard players operation @s bs.vector.z *= @s bs.opt.0
 
+# Dividing the vector by the maximum component
 scoreboard players operation @s bs.vector.x /= #vector.fast_normalize.max bs.data
 scoreboard players operation @s bs.vector.y /= #vector.fast_normalize.max bs.data
 scoreboard players operation @s bs.vector.z /= #vector.fast_normalize.max bs.data
 
-scoreboard players set @s bs.out.0 1000
-scoreboard players operation @s bs.out.0 *= #vector.fast_normalize.length bs.data
-scoreboard players operation @s bs.out.0 /= #vector.fast_normalize.max bs.data
+# Computing normalization factor (with 3 decimals)
+# Vi = A * Vn  ==> A = Vi / Vn
+scoreboard players operation @s bs.out.0 = #vector.fast_normalize.max bs.data
+scoreboard players operation @s bs.out.0 *= 1000 bs.const
+scoreboard players operation @s bs.out.0 /= @s bs.opt.0
 
-### DEBUG
-tellraw @a[tag=bs.debug.vector.fast_normalize] [{"text":" Output: Vx=","color":"gray"},{"score":{"name":"@s","objective":"bs.vector.x"},"color":"aqua"},{"text":"e-3 Vy=","color":"gray"},{"score":{"name":"@s","objective":"bs.vector.x"},"color":"aqua"},{"text":"e-3 Vz=","color":"gray"},{"score":{"name":"@s","objective":"bs.vector.x"},"color":"aqua"},{"text":"e-3","color":"gray"}]
-tellraw @a[tag=bs.debug.vector.fast_normalize] [{"text":" Normalization factor=","color":"gray"},{"score":{"name":"@s","objective":"bs.out.0"},"color":"aqua"},{"text":"e-3","color":"gray"}]
-tellraw @a[tag=bs.debug.vector.fast_normalize] [{"text":"<","color":"dark_aqua"}]
-### END DEBUG
+# Reset option score
+scoreboard players reset @s bs.opt.0
\ No newline at end of file
diff --git a/datapacks/Bookshelf/data/bs.vector/functions/normalize.mcfunction b/datapacks/Bookshelf/data/bs.vector/functions/normalize.mcfunction
index f48b6bdfd4..be8a421987 100644
--- a/datapacks/Bookshelf/data/bs.vector/functions/normalize.mcfunction
+++ b/datapacks/Bookshelf/data/bs.vector/functions/normalize.mcfunction
@@ -6,37 +6,30 @@
 
 # Version: 1.0
 # Created: 19/02/2023 (1.19.2)
-# Last verification: 19/02/2023 (1.19.2)
-# Last modification: 19/02/2023 (1.19.2)
+# Last verification: 21/05/2023 (1.19.4)
+# Last modification: 21/05/2023 (1.19.4)
 
 # Original path : bs.vecotr:fast_normalize
 # Documentation : https://bookshelf.docs.gunivers.net/en/latest/vector#normalize
 # Note          :
 
-# INIT ------------------------------------------------------------------------
-
-scoreboard objectives add bs.vector.x dummy [{"text":"Bookshelf ","color":"dark_gray"},{"text":"Vector X","color":"aqua"}]
-scoreboard objectives add bs.vector.y dummy [{"text":"Bookshelf ","color":"dark_gray"},{"text":"Vector Y","color":"aqua"}]
-scoreboard objectives add bs.vector.z dummy [{"text":"Bookshelf ","color":"dark_gray"},{"text":"Vector Z","color":"aqua"}]
-
-# CONFIG ----------------------------------------------------------------------
-
-# The final vector will have (almost) this length
-execute unless entity @s[tag=bs.config.override] run scoreboard players set vector.normalize.length bs.config 1000
-tag @s[tag=bs.config.override] remove bs.config.override
-
 # CODE ------------------------------------------------------------------------
 
+# Lenght after normalization
+execute unless score @s bs.opt.0 matches 0.. run scoreboard players set @s bs.opt.0 1000
+
 scoreboard players operation #vector.backup.out.0 bs.data = @s bs.out.0
 
 function bs.vector:length
 
-scoreboard players operation @s bs.vector.x *= vector.normalize.length bs.config
-scoreboard players operation @s bs.vector.y *= vector.normalize.length bs.config
-scoreboard players operation @s bs.vector.z *= vector.normalize.length bs.config
+scoreboard players operation @s bs.vector.x *= @s bs.opt.0
+scoreboard players operation @s bs.vector.y *= @s bs.opt.0
+scoreboard players operation @s bs.vector.z *= @s bs.opt.0
 
 scoreboard players operation @s bs.vector.x /= @s bs.out.0
 scoreboard players operation @s bs.vector.y /= @s bs.out.0
 scoreboard players operation @s bs.vector.z /= @s bs.out.0
 
-scoreboard players operation @s bs.out.0 = #vector.backup.out.0 bs.data
\ No newline at end of file
+scoreboard players operation @s bs.out.0 = #vector.backup.out.0 bs.data
+
+scoreboard players reset @s bs.opt.0
\ No newline at end of file