<commit_before>---
layout: page
title: "Demo"
description: "How to use the PPP?"
group: navigation
---
{% include JB/setup %}

Some useful features that you should know.

1. Random generation of a question.
2. Text input of a question.
3. Speech input of a question.
4. Process a question.

[![Annotated screen capture of the PPP](PPPhelp.png "How to use the query engine?")](PPPhelp.png)

## Examples of questions

#### Keyword questions

* [<NAME>](http://ppp.pony.ovh/?lang=en&q=Sherlock+Holmes)

* [Guatemala](http://ppp.pony.ovh/?lang=en&q=Guatemala)

#### English questions

* [Who is Bach?](http://ppp.pony.ovh/?lang=en&q=Who+is+Bach%3F)

* [What is "P=NP"?](http://ppp.pony.ovh/?lang=en&q=What+is+%22P%3DNP%22%3F)

* [Who is the author of "<NAME>"?](http://ppp.pony.ovh/?lang=en&q=Who+is+the+author+of+%22Le+Petit+Prince%22%3F)

* [What is the capital of India?](http://ppp.pony.ovh/?lang=en&q=What+is+the+capital+of+India%3F)

* [Who is the prime minister of France?](http://ppp.pony.ovh/?lang=en&q=Who+is+the+prime+minister+of+France%3F)

* [What is the birth date of the president of the United States?](http://ppp.pony.ovh/?lang=en&q=What+is+the+birth+date+of+the+president+of+the+United+States%3F)

* [Who are the Beatles' members?](http://ppp.pony.ovh/?lang=en&q=Who+are+the+Beatles%27+members%3F)

#### Math questions

* [sqrt(180)](http://ppp.pony.ovh/?lang=en&q=sqrt(180))

* [N[Pi, 42]](http://ppp.pony.ovh/?lang=en&q=N%5BPi%2C+42%5D)

* [Limit[Sum[1/i, {i,1,n}]-Log[n], n->Infinity]](http://ppp.pony.ovh/?lang=en&q=Limit%5BSum%5B1%2Fi%2C+%7Bi%2C1%2Cn%7D%5D-Log%5Bn%5D%2C+n-%3EInfinity%5D+)

* [Integrate[Sin[x\*y], {x, 0, 1}, {y, 0, x}]](http://ppp.pony.ovh/?lang=en&q=Integrate%5BSin%5Bx*y%5D%2C+%7Bx%2C+0%2C+1%7D%2C+%7By%2C+0%2C+x%7D%5D+)<commit_msg>Markdown transforms apostrophes into quotations marks...<commit_after>---
layout: page
title: "Demo"
description: "How to use the PPP?"
group: navigation
---
{% include JB/setup %}

Some useful features that you should know.

1. Random generation of a question.
2. Text input of a question.
3. Speech input of a question.
4. Process a question.

[![Annotated screen capture of the PPP](PPPhelp.png "How to use the query engine?")](PPPhelp.png)

## Examples of questions

#### Keyword questions

* [Sherlock Holmes](http://ppp.pony.ovh/?lang=en&q=Sherlock+Holmes)

* [Guatemala](http://ppp.pony.ovh/?lang=en&q=Guatemala)

#### English questions

* [Who is Bach?](http://ppp.pony.ovh/?lang=en&q=Who+is+Bach%3F)

* [What is "P=NP"?](http://ppp.pony.ovh/?lang=en&q=What+is+%22P%3DNP%22%3F)

* [Who is the author of "<NAME>"?](http://ppp.pony.ovh/?lang=en&q=Who+is+the+author+of+%22Le+Petit+Prince%22%3F)

* [What is the capital of India?](http://ppp.pony.ovh/?lang=en&q=What+is+the+capital+of+India%3F)

* [Who is the prime minister of France?](http://ppp.pony.ovh/?lang=en&q=Who+is+the+prime+minister+of+France%3F)

* [What is the birth date of the president of the United States?](http://ppp.pony.ovh/?lang=en&q=What+is+the+birth+date+of+the+president+of+the+United+States%3F)

* [Who are the Beatles\' members?](http://ppp.pony.ovh/?lang=en&q=Who+are+the+Beatles%27+members%3F)

#### Math questions

* [sqrt(180)](http://ppp.pony.ovh/?lang=en&q=sqrt(180))

* [N[Pi, 42]](http://ppp.pony.ovh/?lang=en&q=N%5BPi%2C+42%5D)

* [Limit[Sum[1/i, {i,1,n}]-Log[n], n->Infinity]](http://ppp.pony.ovh/?lang=en&q=Limit%5BSum%5B1%2Fi%2C+%7Bi%2C1%2Cn%7D%5D-Log%5Bn%5D%2C+n-%3EInfinity%5D+)

* [Integrate[Sin[x\*y], {x, 0, 1}, {y, 0, x}]](http://ppp.pony.ovh/?lang=en&q=Integrate%5BSin%5Bx*y%5D%2C+%7Bx%2C+0%2C+1%7D%2C+%7By%2C+0%2C+x%7D%5D+)
{'fraction_non_alphanumeric': 0.2269819193324061, 'fraction_numerical': 0.040611961057023645, 'mean_word_length': 6.0371819960861055, 'pattern_counts': {'":': 0, '<': 6, '<?xml version=': 0, '>': 8, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4676599', 'n_tokens_mistral': 1747, 'n_tokens_neox': 1648, 'n_words': 249}