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➕➖REI Search Bar Calculations✖️➗
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This mod adds the ability to use the search bar of REI as a calculator, works similarly to the mod NEU (Not Enough Updates) for Forge 1.8.9.
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This mod has support for for features like metric prefixes for numbers,
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and also support for minecraft stacks as a unit.
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The mod also adds the command /calc that functions the same way but as a command instead.
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NEW Using e for using enchanted variants of items (number*160).
A simple and fast calculator for everyday use!
📖 Dependencies
📖 Why I made this mod?
This mod was mostly made because of Hypixel Skyblock's recent update which forces players to use 1.21.5 for their newest content island, and a new mod for REI added skyblock items to it, was supposed to be the replacement for NEU for the newer version, however, REI lacks this quality of life feature I personally have been missing and my aim is to reach players like me who have also felt the lack of this feature to be annoying, with that I also encourage anyone using REI to give this mod a chance as it does add some nice utility to it if you are playing on a modpack and don't want to open your calculator app every time you need to calculate something.
Something I also wanted to make clear is that I did not make the calculator functionality itself, it was entirely made by the team behind NEU, I took it and implemented it into my own mod which is allowed under their licensing.
Hope you enjoy using it!
All Versions
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[1.2.0+26.1] REI Search Bar Calculations 1.2.0+26.1
by BigBou on Oct 14, 2026
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At long last 26.1-2 support, sorry for taking so long I got quite lazy with the project but I will also be updating it to 26.3 sooner or later.
Thanks a lot to [Zalk0Zalko](https://github.com/Zalk0) for porting the mod to those versions, probably wouldn't have done it if he hadn't.
Thanks a lot to [Zalk0Zalko](https://github.com/Zalk0) for porting the mod to those versions, probably wouldn't have done it if he hadn't.
[1.1.1+1.21.6-11] REI Search Bar Calculations 1.1.1+1.21.6-11
by BigBou on Oct 14, 2026
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Finally got to merging this pretty small but impactful bug with the mod, sorry for taking too long I have no excuse other than being lazy and forgetful with it, sorry for the inconvenience.
Fixed division not working with the command /calc (thanks KdGaming for the fix, I probably wouldn't have fixed it if you hadn't done it yourself.)
Updated the mod to state it works on version 1.21.11.
It probably works on 26.1 I can't test that until REI's developer updates his mod to 26.1.
Fixed division not working with the command /calc (thanks KdGaming for the fix, I probably wouldn't have fixed it if you hadn't done it yourself.)
Updated the mod to state it works on version 1.21.11.
It probably works on 26.1 I can't test that until REI's developer updates his mod to 26.1.
[1.1.0+1.21.6-10] REI Search Bar Calculations 1.1.0+1.21.6-10
by BigBou on Oct 14, 2026
Download
Hey ya'll, I updated the mod again!
If any issues pop up during gameplay that weren't caught during testing, please report back to me, either on github or directly to my discord at "bigbou."
Thanks for everyone who uses it, never expected it to get so many downloads!
- Added a config to the X and Y positions of the calculator UI element so now you can move it to whereever you'd like to (due to that the mod now requires YACL and ModMenu to run)
- Fixed the calculation not displaying in REI's crafting helper GUI
- Fixes a rare crash when gameMode is null, presumably during world changes. (thanks lunaynx for fixing that).
- Updated the mod to say it also works in 1.21.9-10 (it always did it just never said so, I recently updated it on the modrinth page but now it just says so here too)
- Fixed this version of the mod not actually working with versions above 1.21.6.
If any issues pop up during gameplay that weren't caught during testing, please report back to me, either on github or directly to my discord at "bigbou."
Thanks for everyone who uses it, never expected it to get so many downloads!
[1.1.0+1.21.5] REI Search Bar Calculations 1.1.0+1.21.5
by BigBou on Oct 14, 2026
Download
Changelog
Hey ya'll, I updated the mod again!
If any issues pop up during gameplay that weren't caught during testing, please report back to me, either on github or directly to my discord at "bigbou."
NOTE: I accidentally released a broken version of the mod with an impossible dependency which I quickly fixed, if you downloaded the mod around the first 20 minutes after it released please reinstall it.
Thanks for everyone who uses it, never expected it to get so many downloads!
Hey ya'll, I updated the mod again!
- Added a config to the X and Y positions of the calculator UI element so now you can move it to whereever you'd like to (due to that the mod now requires YACL and ModMenu to run)
- Fixed the calculation not displaying in REI's crafting helper GUI
- Fixes a rare crash when gameMode is null, presumably during world changes. (thanks lunaynx for fixing that).
- Updated the mod to say it also works in 1.21.9-10 (it always did it just never said so, I recently updated it on the modrinth page but now it just says so here too)
If any issues pop up during gameplay that weren't caught during testing, please report back to me, either on github or directly to my discord at "bigbou."
NOTE: I accidentally released a broken version of the mod with an impossible dependency which I quickly fixed, if you downloaded the mod around the first 20 minutes after it released please reinstall it.
Thanks for everyone who uses it, never expected it to get so many downloads!
[1.1.0+1.21.6] REI Search Bar Calculations 1.1.0+1.21.6
by BigBou on Oct 14, 2026
Download
Hey ya'll, I updated the mod again!
If any issues pop up during gameplay that weren't caught during testing, please report back to me, either on github or directly to my discord at "bigbou."
Thanks for everyone who uses it, never expected it to get so many downloads!
This version has been changed to state it only works on 1.21.6 due to an error on my part and I am only keeping it to not break people's downloads on modrinth's app.
- Added a config to the X and Y positions of the calculator UI element so now you can move it to whereever you'd like to (due to that the mod now requires YACL and ModMenu to run)
- Fixed the calculation not displaying in REI's crafting helper GUI
- Fixes a rare crash when gameMode is null, presumably during world changes. (thanks lunaynx for fixing that).
- Updated the mod to say it also works in 1.21.9-10 (it always did it just never said so, I recently updated it on the modrinth page but now it just says so here too)
If any issues pop up during gameplay that weren't caught during testing, please report back to me, either on github or directly to my discord at "bigbou."
Thanks for everyone who uses it, never expected it to get so many downloads!
This version has been changed to state it only works on 1.21.6 due to an error on my part and I am only keeping it to not break people's downloads on modrinth's app.
[1.0.2+1.21.6-10] REI Search Bar Calculations 1.0.2+1.21.6-10
by BigBou on Oct 14, 2026
Download
Finally got to updating this mod again!
Please report any issues or suggestions you have in the issues tab or directly in my discord at "bigbou.",
Hope you enjoy using it!
- Updated the calculator functionality to be the same as the one in the most recent version of NEU.
- Fixed a crash when you didn't have REI in your mods folder, now the game tells you you are missing it. (Fix by 0KdGaming)
- Added support for 1.21.6-8 (thanks again KdGaming0)
Please report any issues or suggestions you have in the issues tab or directly in my discord at "bigbou.",
Hope you enjoy using it!
[1.0.2+1.21.5] REI Search Bar Calculations 1.0.2+1.21.5
by BigBou on Oct 14, 2026
Download
Finally got to updating this mod again!
Please report any issues or suggestions you have in the issues tab or directly in my discord at "bigbou.",
Hope you enjoy using it!
- Updated the calculator functionality to be the same as the one in the most recent version of NEU.
- Fixed a crash when you didn't have REI in your mods folder, now the game tells you you are missing it. (Fix by 0KdGaming)
- Added support for 1.21.6-8 (thanks again KdGaming0)
Please report any issues or suggestions you have in the issues tab or directly in my discord at "bigbou.",
Hope you enjoy using it!
[1.0.1] REI Search Bar Calculations 1.0.1
by BigBou on Oct 14, 2026
Download
Added support for using "e" as a postfix for enchanted variants (from hypixel skyblock) of items (number*160 i.e. 3e = 480).
[1.0] REI Search Bar Calculations 1.0
by BigBou on Oct 14, 2026
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First version of the mod, fully functional.
