MI-84 Calculator
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The Minecraft Instruments 84: an all-in-one calculator for blocky calculations!
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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Description
The Minecraft Instruments 84: an all-in-one calculator for blocky calculations!
MI-84 Calculator adds a draggable graphing-calculator overlay to the Minecraft inventory.
Under development! Only 1.21.1 fabric for now, more versions will be launched in the future. Latest version is 0.2, launched on 7/28/26
Using the calculator
Open an inventory, then click the `X` button at its bottom-left corner to show the calculator or use the keybind.
Drag the calculator from its top. The default controls, active only while an inventory is open,are:
- `N` — reset calculator position
- `H` — toggle calculator visibility
- `K` — toggle the visibility of the inventory `X` button
All three bindings can be changed in Minecraft's Controls menu under MI-84 Calculator.
Currently, the calculator includes all scientific functions, basic graphing features, and some more advanced features.
Known issues
- Some values that should evaluate to an exact number can contain small floating-point errors. For example, `sin(π)` may return a very small non-zero value instead of `0`.
- In the Y= editor, setting an equation to `Y=Ans` fails silently.
- In the Y= editor, entries made with the `2nd` modifier do not insert anything.
- The `2nd`-layer Insert function does not visually indicate insert mode. The cursor should continue blinking as an underscore over the character at the insertion point (for example, over `9`: `9` → `_` → `9`).
The Minecraft Instruments 84: an all-in-one calculator for blocky calculations!
MI-84 Calculator adds a draggable graphing-calculator overlay to the Minecraft inventory.
Under development! Only 1.21.1 fabric for now, more versions will be launched in the future. Latest version is 0.2, launched on 7/28/26
Using the calculator
Open an inventory, then click the X button at its bottom-left corner to show the calculator or use the keybind.
Drag the calculator from its top. The default controls, active only while an inventory is open,are:
N— reset calculator positionH— toggle calculator visibilityK— toggle the visibility of the inventoryXbutton
All three bindings can be changed in Minecraft's Controls menu under MI-84 Calculator.
Currently, the calculator includes all scientific functions, basic graphing features, and some more advanced features.
Known issues
- Some values that should evaluate to an exact number can contain small floating-point errors. For example,
sin(π)may return a very small non-zero value instead of0. - In the Y= editor, setting an equation to
Y=Ansfails silently. - In the Y= editor, entries made with the
2ndmodifier do not insert anything. - The
2nd-layer Insert function does not visually indicate insert mode. The cursor should continue blinking as an underscore over the character at the insertion point (for example, over9:9→_→9).
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Mode view demo -
F1 demo -
Graph view demo -
Home view demo
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Home view demo -
Graph view demo -
Mode view demo -
F1 menu & fractions
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