Craftulator
by CoolerProMC
Craftulator puts a working calculator inside Minecraft, with a keypad that also plays notes when its buttons are pressed.
What it does
The calculator is a simple on-screen keypad. Digits 1 through 9 map to the notes of a scale, while 0 sits an octave lower underneath them. Operator keys play a note one octave below the digits, keeping them clear of a tune being played. Pressing a key gives a short chime, and the numbers and operators also work from the keyboard, where Enter equals, Backspace deletes and Delete clears.
Craftulator is a client and server mod, so both the server and every player need it. It is published for Fabric, Forge and NeoForge, with files for 1.20.1, 1.21.1, 26.1, 26.2 and 26.3 across five release versions, spanning 1.20.1 – 26.3. The mod is open source under the MIT License, and a key in the bottom left corner mutes the whole keypad when a quieter setup is wanted.
Key features
Working calculator
Addition, subtraction and the other basic operators are available on a keypad, with results shown on screen.
Notes on every key
Each button plays a note from a scale, so the keypad can be used as a simple instrument for songs.
Keyboard input
Numbers and operators can be typed on the keyboard as well as clicked, using Enter, Backspace and Delete.
Mute key
A key in the bottom left corner silences the whole keypad for players who want quiet.
Reset control
A reset control clears the calculator so a new calculation can begin.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Players who want a calculator in the game, and players who want to play short tunes on a keypad. Server owners can add it to a multiplayer server with the same install on both sides.
How it compares
Several other calculator mods exist. McCalc is a Fabric mod for 1.19.1 and Simple Calculator is a Fabric mod for 1.21.5, both client-side only, under the MIT License and open source. Numismatics Calculator covers Fabric, Forge, NeoForge and Quilt for 1.20.1 – 1.21.1, is also client-side only, and is open source under the MIT License. Craftulator differs by running on client and server, with files for newer versions across all three of its loaders.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Craftulator | Fabric, Forge and NeoForge | 1.20.1 – 26.3 | Client and server | 2026-09-16 |
| McCalc | Fabric | 1.19.1 | Client-side only | 2022-08-21 |
| Simple Calculator | Fabric | 1.21.5 | Client-side only | 2025-05-27 |
| Numismatics Calculator | Fabric, Forge, NeoForge and Quilt | 1.20.1 – 1.21.1 | Client-side only | 2026-01-17 |
Questions
Which loader should be chosen for Craftulator?
Does a server need Craftulator installed?
Which game versions does Craftulator support?
In the catalog
Craftulator is one of 36,990 Utility mods on ModsFinder, and one of 25,772 Utility mods for Fabric. 8,071 mods support Minecraft 26.3.
More from CoolerProMC
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What the author says
Adds a calculator that actually does math. Every button also plays a note. You know those cheap calculators that beep out a tune when you mash the keys? That's the idea. The number keys are tuned to a scale, so you can play songs on them. It also will play 归零 when reset the calculator.
Official listing
- Modrinth page
- modrinth.com/mod/craftulator-coolerpromc
- Owner
- CoolerProMC
- Published
- 2026-08-17
- Updated on Modrinth
- 2026-09-16
- Facts verified
- 2026-10-15