Equation & Chemical Formula Editor (MML-Editor2) MS-Office Add-in (version: )

The "Equation & Chemical Formula Editor (MML-Editor2)" add-in is designed to be used from MS-Office.
Including the original "Equation & Chemical Formula Editor (MML-Editor2)", it is mainly intended for use in school education, with simple functions specialized for entering equations and chemical formulas, and is provided completely free of charge.

Features
WYSIWYG "Equation & Chemical Formula" editor
Allows multi-line input within the editor
Can be used in Word, Excel, and PowerPoint
Re-editing of equations and chemical formulas placed in documents
Equations and chemical formulas placed in documents are in PNG image format, allowing copy-pasting to other applications
Multilingual support (24 languages)
Completely free

Multilingual Support
The menu and other elements of this system, "Equation & Chemical Formula Editor (MML-Editor2)", are supported in
Japanese(jq), English(en), Korean(kr), French(fr), Spanish(es), Italian(it), German(de), Russian(ru),
Chinese (Simplified)(zh), Chinese (Traditional)(zm), Portuguese(pt), Dutch(nl), Greek(el), Turkish(tr),
Indonesian(id), Vietnamese(vi), Thai(th), Hindi(hi), Khmer(km), Tagalog(tl), Nepali(ne),
Burmese(my), Mongolian(mn), Ukrainian(uk)
However, some mathematical symbols are used in Japanese regardless of the language being used.
The language used depends on the language setting of the host application (Word, Excel, PowerPoint).

Installation Instructions

Since Microsoft Store registration for Office Add-ins is not available to individual developers like me,
you cannot install "MML-Editor2 Office Add-in" from the store.
Therefore,
please manually install "MML-Editor2 Office Add-in" by following the steps below.

Note that the following operations are based on the version of Office as of August 2024, and the display content may change due to Office version upgrades. Please adjust accordingly.

Installing to the Web Version of Office
Preparation
(1) Download the manifest file for "MML-Editor2 Office Add-in".
Download (MML-Editor2_manifest.xml)
(2) Create an appropriate folder and save the downloaded manifest file.
Create a dedicated folder for saving only the manifest file.

Introducing to Each App (Perform for all apps)
(3) Start the web version of Word (or Excel, PowerPoint).
(4) Click "Add-ins" on the "Home" tab (for Excel, only the icon is displayed).
(5) Click the "More Add-ins" button.
(6) Click "My Add-ins".
(7) Click "Manage My Add-ins" and select "Upload My Add-in".
In Word, it may be garbled.
(8) Select the manifest file saved in step (2) from the "Browse" button and upload it.
(9) The "MML-Editor2 Add-in" button will be displayed on the "Home" tab.
(10) Click the "MML-Editor2 Add-in" button to display the equation & chemical formula editor.

It is necessary to install (steps (3) and onwards) for each browser or app.
If you clear the browser cache, you may need to reinstall (steps (3) and onwards).


Installing to the Desktop Version of Office
Preparation
(1) Download the manifest file for "MML-Editor2 Office Add-in".
Download (MML-Editor2_manifest.xml)
(2) Create an appropriate folder and save the downloaded manifest file.
Create a dedicated folder for saving only the manifest file. (Recommended) If there is a "shared folder" within the network, create a dedicated folder there and save it.
(3) Share the folder created in step (2) with Explorer.
If you created the folder on a local drive in step (2), share the created folder. Refer to the following sites for folder sharing methods:
For Windows 10
For Windows 11
(Note) Depending on the settings, the shared folder may be accessible by others in the network, so be careful with access rights settings.

Registering the Add-in (Perform once in any app)
(4) Start the desktop version of Word (or Excel, PowerPoint).
(5) From the "File" tab, select "Options" at the bottom left.
(6) Select "Trust Center".
(7) Click the "Trust Center Settings" button.
(8) Select "Trusted Add-in Catalogs".
(9) Enter the "Network Path" of the folder shared in step (3) in the "Catalog URL" field.
In Explorer, open the properties of the folder shared in step (3), and select the "Sharing" tab.
You can select the "Network Path" displayed, copy it, and paste it into the "Catalog URL" field.
(10) Click the "Add Catalog" button.
(11) Check "Show in Menu".
(12) Click the "OK" button.
(13) Return to the "Options" dialog and click the "OK" button.

Introducing to Each App (Perform for all apps)
(14) Exit Word (or Excel, PowerPoint) once and restart it.
(15) Click "Add-ins" on the "Home" tab.
(16) Click the "More Add-ins" button.
(17) Select "Shared Folder".
(18) Click "Refresh" at the top right.
(19) Select "MML-Editor2 for MS-Office" and click the "Add" button.
(20) The "MML-Editor2 Add-in" button will be displayed on the "Home" tab.
(21) Click the "MML-Editor2 Add-in" button to display the equation & chemical formula editor.

Register the "Trusted Add-in Catalog" in either Word, Excel, or PowerPoint.
Installation (steps 15 onwards) is necessary for each app.
If you clear the Office cache, you may need to reinstall (steps 15 onwards).


Operation Instructions and Restrictions
Operation Instructions
When you start the add-in, the equation & chemical formula editor will be displayed in the task pane (right pane).
In the equation & chemical formula editor, you can enter equations & chemical formulas by manipulating the top menu tabs.
You can also enter equations & chemical formulas in LaTeX by prefixing with the "\" symbol.
Press the [OK] button to insert the equation & chemical formula into the document.
When you select an editable equation & chemical formula in the document, the [Re-edit] button at the top will be enabled.
Press the [Re-edit] button to display and edit the selected equation & chemical formula in the equation & chemical formula editor.

General Restrictions
Equations and chemical formulas placed in documents are in PNG image format, allowing copy-pasting to other applications, but even between Office applications, re-editing of pasted equations and chemical formulas is not possible.
Restrictions in Word Desktop Version
None
Restrictions in Word Web Version
Equations and chemical formulas cannot be re-edited.
Restrictions in Excel Desktop Version
None
Restrictions in Excel Web Version
Re-editing of equations and chemical formulas on the worksheet is possible, but the re-edited placement location will be the selected cell position, and the original equation & chemical formula will remain.
Restrictions in PowerPoint Desktop Version
The size of newly placed equations and chemical formulas is fixed (60pt). Please change to the required size after pasting.
Restrictions in PowerPoint Web Version
The size of newly placed equations and chemical formulas is fixed (60pt). Please change to the required size after pasting.
Equations and chemical formulas cannot be re-edited.

Contact
If you have any questions or want to report bugs, please contact us by email. We will respond to the best of our ability, but there may be delays in our response. Thank you for your understanding.
About the Author
I was a high school teacher and an employee of the Board of Education in Kanagawa Prefecture, but I am now enjoying my second life after retirement.
Author's Site (Teaching Tools Box)
mail : hideo.n@edu-mat.sakuraweb.com

Copyright
The copyright of this system, "Equation & Chemical Formula Editor (MML-Editor2) MS-Office Add-in", belongs to the author.
There are no restrictions on its use, including commercial use, modification, and redistribution.
However, this system uses
MathQuill (http://mathquill.com/, https://github.com/mathquill/mathquill): Mozilla Public License Version 2.0
JQuery matheditor.js (https://www.jqueryscript.net/text/Simple-WYSIWYG-Math-Editor-With-jQuery-Mathquill-matheditor-js.html#google_vignette): MIT License
with some functional enhancements. Please comply with the license terms of these respective software.