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An algorithm is an effective method expressed as a finite list[1] of well-defined instructions[2] for calculating a function.[3] Starting from an initial state and initial input (perhaps empty),[4] the instructions describe a computation that, when executed, proceeds through a finite[5] number of well-defined successive states, eventually producing "output"[6] and terminating at a final ending state. The transition from one state to the next is not necessarily deterministic; some algorithms, known as randomized algorithms, incorporate random input.[7]

Though al-Khwārizmī's algorism referred to the rules of performing arithmetic using Hindu–Arabic numerals and the systematic solution of linear and quadratic equations, a partial formalization of what would become the modern algorithm began with attempts to solve the Entscheidungsproblem (the "decision problem") posed by David Hilbert in 1928. Subsequent formalizations were framed as attempts to define "effective calculability"[8] or "effective method";[9] those formalizations included the GödelHerbrandKleene recursive functions of 1930, 1934 and 1935, Alonzo Church's lambda calculus of 1936, Emil Post's "Formulation 1" of 1936, and Alan Turing's Turing machines of 1936–7 and 1939. Giving a formal definition of algorithms, corresponding to the intuitive notion, remains a challenging problem.[10]

Status: open    Category: Polls    Join Discussion: 0 comments

Add support for transparent PNG

I'd like to see the ability for us to have drop shadows and transparent backgrounds with uploaded PNGs across ProfProfs. As it, any shadowing is converted to black.
Thank you!

Status: open    Category: Flashcards    Join Discussion: 1 comments

Record audio for Read Aloud button for EC students

I would like to be able to record myself reading aloud both the questions and answer choices for my students with Exceptional needs. Ideally, there would be a button beside each question and answer so students can choose to listen to me read it or not...depending on thier individual needs. This would help me to comply with legal requirements in thier IEP (Individual Education Plans).

Status: open    Category: Quiz Maker    Join Discussion: 1 comments

Correct translation to catalan

I would a correct translation of next words and sentences:

- "Mal": the correct word is "Incorrecte"
- "Corregir": the correct word is "Correcte"
- "La meva resposta": the correct word is "Resultat"
- "Resposta correcta": the correct word is "Respostes correctes"
- "Respondre incorrectament": the correct word is "Respostes incorrectes"

Thanks a lot!

Status: implemented    Category: Quiz Maker    Join Discussion: 1 comments

Share results on Facebook

Hi Proprofs

Is there a way for the result of the quiz taker's to be shown when sharing on facebook, like the image attached?

Status: open    Category: Quiz Maker    Join Discussion: 2 comments


When a user logs out of a course, they are asked if they want to save their place. The problem is that most users do not log out - they simply close the browser. This will prevent their place in the course from being saved.

Why not auto-save the user's place in the course every time a "Page" is completed? That would:
1. Record that "Page" as having been completed in the progress settings (just as clicking the save button does), and...
2. Return the user to the most-recently completed page if they close the browser without logging out.

Status: open    Category: Training Maker    Join Discussion: 1 comments

Log-in issues in Chrome?

Over the weekend, my cookie must have expired and come Monday morning I have to log back in to ProProfs. As a rule, we don't use IE (although I obviously have it installed) and currently our team has been using Google Chrome.
This morning, we weren't able to log-in as the page would never appear.

We were on this page (as that is where the bookmark we all use takes us)
Click LOG IN box on the top right.
It's supposed to go to:
But, it just re-loads this page again:

What I did discover is that if I went to then the log-in on that page works.

Status: open    Category: Other    Join Discussion: 1 comments

Unresponsive Script Problem

I'm having a problem with unresponsive scripts with the following detail:


This occurs and then I am unable to edit and/or add to a preexisting flashcard.  Can you please look into this?

My account name is 'Rartsch', and it is happening on flashcards entitled: 'Maternity Exam 1 Study List' (which then prompted me to have to create a second one) 'Maternity Exam 1 Study List 2' (and the same problem is happening with this flashcard as well.)

This is really bad timing as I am currently studying for this exam!  Please help.


Michael Bartsch

Maternity Exam 1 Study List,

Status: open    Category: Flashcards    Join Discussion: 1 comments


I have a 76 questions quiz out there--with Multiple Choice, T/F and Matching.  The last 20 questions are matching, except it is out there as one question---number 76.  If the user misses one matching, the whole thing is wrong.  It's a small percent--but I would have preferred it be 20 separate questions.  Partial credit does not question 76 is still one big giant question.  Also, would love to be able to use this information as flashcards and not have to re-create..  

Status: open    Category: Quiz Maker    Join Discussion: 2 comments

Stats Direct Link

It seems the direct link to Stats has disappeared from the list of our quizzes. It was convenient being able to jump directly to Stats for each quiz without having to click on the Reports link. Is there any chance this direct link will return? 

Status: open    Category: Quiz Maker    Join Discussion: 2 comments

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