Uploaded August 2013 | Updated September 2026, 2 weeks ago
In Part 2 of The Calculator Project, I create the subtractor. However, it turns out to be a bit more complicated than it seems, as the comparator's built-in subtraction function can only do so much.
In Part 2 of The Calculator Project, I create the subtractor. However, it turns out to be a bit more complicated than it seems, as the comparator's built-in subtraction function can only do so much.


![How to Use Scoreboard Tags [15w32c]
Tutorial for the new scoreboard command in 1.9: /scoreboard players tag - what it does and how to use it
As of 15w32c, there are 3 commands for tags: add, remove, and list. When adding a tag, you must supply a name and may optionally supply a data tag to test for:
/scoreboard players tag @e add tag_name {CustomName:Test}
That will add the tag tag_name to all entities named Test. To remove a tag, you must specify the name and may optionally supply a data tag to test for:
/scoreboard players tag @e remove tag_name {CustomName:Test}
That will remove the tag tag_name from all entities named Test. list simply lists all tags on an entity:
/scoreboard players tag @e list How to Use Scoreboard Tags [15w32c]](https://i.ytimg.com/vi/plk-ciH5s_U/mqdefault.jpg)
![Brew Potions up to 3 Times as Fast - The Brewfaster [Tutorial] (Minecraft 1.8-)
Original Design by Raytourus:
https://www.youtube.com/watch?v=Pp2HCGidT78
This automatic brewing machine can brew potions up to 3 times as fast as a regular brewing stand, WITHOUT queuing up pre-brewed potions! Unlike other automatic brewing systems, this machine can brew all types of potions. It uses a trick with brewing stands to start brewing before the potion is added.
Oh, and its also silent. I like things to be silent. Brew Potions up to 3 Times as Fast - The Brewfaster [Tutorial] (Minecraft 1.8-)](https://i.ytimg.com/vi/qCxEXLC93IE/mqdefault.jpg)






![The Super Simple Mob Counter [1.8]
Hey, you map-makers! Need to count some mobs? Try using the Super-Simple Mob Counter! Count all the mobs of a specific type, name, score, or basically whatever with only a few commands!
Main Command:
/execute @e[type=MOB_TYPE,name=MOB_NAME,...] ~ ~ ~ scoreboard players add DISPLAY_NAME OBJECTIVE_NAME 1 The Super Simple Mob Counter [1.8]](https://i.ytimg.com/vi/ujK8Tc3luko/mqdefault.jpg)