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How could I create a one click hyperlink for websites like https://www.integral-calculator.com/ that automatically pastes into the Javascript box?

My web app generates Calculus I problems in Latex and non-Latex form.
I use these two websites to check my answers:
https://www.derivative-calculator.net/
https://www.integral-calculator.com/
E.g., I copy/paste the non-Latex form of the math problem log(v)/v**4 and put it into the Integral calculator website to understand the gaps in my knowledge that is stopping me from solving the problem independently on my own by hand writing/hand solving.
I am writing this post because I want to improve my web app and reduce the steps it takes for the user to check their answers to one of these calculators. Right now, the user has to copy the equation, click the website link, then paste the equation into the website Javascript box, and finally click "Go" to be able to see suggested steps to solve the problem.
I want to take some string the represents my equation (e.g. log(v)/v**4) and turn it into a one click hyperlink like https://www.integral-calculator.com/log(v)/v**4
A link such as this does not work, presumably because the website is using a JavaScript or MathJax feature.

You are correct in that, as these websites do not use URL parameters, you will not be able to generate a URL from within your app that auto-populates the required fields. Additionally, these websites do not appear to use any sort of publicly accessible API (they take form data and process the results on the server side).
My suggestion would be to use an existing public API to check results within your app. I believe Wolfram Alpha allows up to 2000 API calls per month for free.

How to make a mulitlingual website?

I am an amateur programmer and I want to make a mulitlingual website. My questions are: (For my purposes let the English website be website nr 1 and the Polish nr 2)
Should it be en.example.com and pl.example.com or maybe example.com/en and example.com/pl?
Should I make the full website in one language and then translate it?
How to translate it? Using XML or what? Should website 1 and website 2 be different html files or is there a way to translate a html file and then show the translation using XML or something?
If You need any code or something tell me. Thank You in advance :)

1) I don't think it makes much difference. The most important thing is to ensure that Google can crawl both languages, so don't rely on JavaScript to switch between languages, have everything done server side so both languages can be crawled and ranked in Google.
2) You can do one translation then the other, you just have to ensure that the layout expands to accommodate more/less text without breaking it. Maybe use lorem ipsum whilst designing.
3) I would put the translations into a database and then call that particular translation depending on whether it is EN or PL in the domain name. Ensure that the webpage and database are UTF-8 encoding otherwise you will find that you get 'funny' characters being displayed.

My Advice is that you start to use any Framework.
For instance if you use CakePHP then you have to write
__('My name is')
and in translate file
msgid "My name is"
msgstr "Nazywam się"
Then you can easy translate to any other language and its pretty easy to implement.
Also if you do not want to use Framework you can check this link to see example how it works:
http://tympanus.net/codrops/2009/12/30/easy-php-site-translation/

While this question probably is not a good SO question due to its broad nature. It might be relevant to many users.
My approach would be templates.
Your suggestion of having two html files is bad for the obvious reason of duplication- say you need to change something in your site. You would always need to change two html files- bad.
Having one html file and then parsing it and translating it sounds like a massive headache.
Some templating framework could help you massively. I have been using Smarty, but that's a personal choice and there are many options here.
The idea is you make a template file for your html and instead of actual content you use labels. Then in your php code you include the correct language depending on cookies, user settings or session data.
Storing labels is another issue here. Storing them in a database is a good option, however, remember you do not wish to make 100's of queries against a database for fetching each label. What you can do is store them in a database and then have it generate a language file- an array of labels->translations for faster access and regenerate these files whenever you add/update labels.
Or you can skip the database altogether and just store them in files, however, as these grow they might not be as easy to maintain.

I think the easiest mistake for an "amateur programmer" to make in this area is to allow the two (or more) language versions of the site to diverge. (I've seen so-called professionals make that mistake too...) You need to design it so everything that's common between the two versions is shared, so that when the time comes to make changes, you only need to make the changes in one place. The way you do this will depend on your choice of tools, and I'm not going to start advising on that, because it depends on many factors, for example the extent to which your content is database-oriented.
Closely related to this are questions of who is doing the translation, how the technical developers and the translators work together, and how to keep track of which content needs to be re-translated when it changes. These are essentially process questions rather than coding questions, so not a good fit for SO.
Don't expect that a site for one language can be translated without any technical impact; you will find you have made all sorts of assumptions about the length of strings, the order of fields, about character coding and fonts, and about cultural things like postcodes, that turn out to be invalid when you try to convert the site to a different language.

You could make 2 different language files and use php constants to define the text you want to translate for example:
lang_pl.php:
define("_TEST", "polish translation");
lang_en.php:
define("_TEST", "English translation");
now you could make a choice for the user between polish or english translation and based on that you can include the language file.
So if you would have a text field you put its value to _TEST (inbetween php brackets).
and it would show the translation of the chosen option.

The place i worked was doing it like this: they didn't have to much writing on their site, so they were keeping it in a database. As your tags have a php , I assume you know how to use databases. They had a mysql table called languages with language id(in your case 1 for en and 2 for pl) and texts in columns. So the column names were main heading, intro_text, about_us... when the user comes it selects the language and a php request get the page with that language. This is easy because your content is static and can be translated before site gets online, if your content is dynamic(users add content) you may need to use a translation machine because you cannot expect your users to write their entry in all languages.

Transfer Text notes taken on a webpage into a word doc

I'm fairly new to HTML/CSS/Javascript etc so forgive me if I totally noob all over the place here. I'll provide as much context as I can to help you understand what I'm trying to accomplish.
I work in IT as an infrastructure incident mgr for a large company. While working incidents, we typically need to contact several people using 2 different web apps, take notes of what transpires in word, who did what to fix A,B,C or look up instructions regarding certain situations. I'm trying to build an application that consolidates all of these under a single pane of glass.
For the purposes of this thread, I'll solely be discussing the notes taking aspect which covers several areas. At my company for reasons outside the scope of this discussion, it was decided that notes would be entered into word and not the ticketing system. Why not something better? Its Above my pay grade, don't really care...
We use a word doc template that has predefined areas that you fill in as the incident progresses. Example:
Incident Ticket(s): INC12345
Problem Ticket(s): PMI12345
Change Ticket(s): etc
Vendor Ticket(s):
Date: 9/18/15
Incident Manager that started incident: Billy Jo
Incident Manager that ended incident:
Summaries:
Subject/Title (from Alert):
So I have a text area floated to the right of the page that I would like to do at least 2 things to start with:
Have it ask you every line of question in the template that you fill in the values for. i.e Incident ticket: inc11111. When you fill in the answer and hit submit, it populates that field in word.
There's a notes section at the bottom of the word template. I'm thinking of entering a notes only textarea that strictly populates that part of the template ALONG with timestamps from your computer clock.
I've searched the internet for several hours trying to find something highlighting how you might do this but only see office docs telling you how to copy and paste text into a word doc. Please let me know if you need any specific info

You want to have to your users input data via a web-based form, and you want this to result in creation of a word document. The missing link is the server application in-between.
You would create an HTML form as normal, with whatever fields / inputs / validations you needed. On submitting this form, the data would be sent to your server. Here you would need to implement a server application that accepts form based inputs and generates a file from them (in this case, a word document).
The process of actually generating the word documents is most likely not trivial, but also not impossible. A quick search for generating word docs on the server throws up a few resources:
Building Server-Side Document Generation
Create and Manipulate Word Documents Programmatically Using DocX
Generating a Downloadable Word Document in the Browser
Once the document had been created, it could either be offered for download, or automatically emailed somewhere.

Making a Google Form which has a table for answer submission

I'd like to replace a parts requisition process at my workplace with a simple (and cheap to implement) electronic process, initiated using a Google Form. The problem is that I would like users to be able to enter multiple parts (along with associated info, e.g. quantities required, booking references etc.), but I want to do so without having to have multiple repeated questions.
I have researched this extensively and cannot find anything which fits the bill - my thoughts are to use Google Apps Script to create a table in the form which a user can fill-in. The closest I have found is something like this: Creating Form Elements Dynamically
The original paper form looks like the below - I would like the table to request the information as shown below in a similar format:
Thanks in advance!
EDIT! To make it clear, I'm happy to consider other solutions to run this process through an online interface - I have gone for Google Sheets/Forms in the first instance as they are already well integrated within my company and I have experience of them (setting-up triggers etc is pretty simple)

I understand the OP has probably long moved on from this problem. I however have done something along these lines in the past and thought I'd share my approach with the community.
I'll start with the premise Google forms are just good ol' plain HTML forms that users programmatically generate with their form builder. Therefore it's possible to traverse the as-built form and extract both submit location and all field names:
document.querySelectorAll('form').forEach((x) => {console.log(x.action)})```
document.querySelectorAll('[name^="entry."]').forEach((x) => {console.log(x.name + '=' + x.closest('[role="listitem"]').querySelector('[role="heading"]').innerText)})
The above snippet will give you an idea of what the components are.
All that's left after is to build a front end to your requirements with the framework of your choice (I used AngularJs at the peak of its popularity) and incorporate as much or as little UI and validations into it as you desire.
Here you've got the flexibility to either submit the whole thing as one JSON, or to parse it into individual fields and submit entries one by one, for purposes of this demo I opted for the easiest way but this thing surely's got the potential.

JavaScript : Find Captcha on a web page

I,am working on Captcha decode/break Firefox extension and I want to find captcha field on a page if it exists. I want to make a generic thing so that when ever a page is loaded, I get the captcha image.In short, Whenever a page is loaded, It checks for a captcha and if there, It gets its image.
An approach i was trying is that to find text 'captcha' on a page and then img tag if exist,can any one plz tell me a better solution that can run on max sites.Thanks in advance.

Saadsaf,
In one of your comments you mentioned that:
"...may be u r right, But actually i'm not using it for any enehical purpose, I'm just collecting captchas"
Collecting Captchas is pretty much a useless task.
How Captchas Work:
The way a Captcha works is that the user enters the characters in the image, and then submit a form - at which time the characters entered are compared to those in the image. If the two sets of characters match perfectly, a 'Pass' condition is declared and the guarded process is allowed to continue.
The characters in the Captcha image are generally not stored anywhere that the user has access to, otherwise there would be a severe security issue for Captchas. Most commonly, Captchas will be compared server-side so that the client has as little access to the character string as is possible.
Why collecting Captchas is a poor idea:
If you were to "collect" captchas for use on your sites, you would have to look at each and every one (thousands, if you figure out your code to collect them for you) and then somehow store the correct characters corresponding to each image for later use.
Between writing code to find you Captchas and then going through them all manually to correctly read the characters in each one, you will waste weeks or months of your life away.
What to do instead:
If you are interested in using Captchas on your sites to protect forms and prevent spam and abusive robots, your best bet is to learn how to create your own custom Captchas. There are endless resources at your disposal for just such a thing, including YouTube, Google, Stack Overflow, and more.
Where to start:
Hop on Google and search "How to create a Captcha". That is a good start. Other useful search terms might be "Custom Captcha", "PHP Captcha", "JavaScript and PHP Captcha"... Try the same searches on YouTube. Search for "Captcha" here on Stack Overflow.
Good luck. I hope you have only the best of intentions in mind when using this site.