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This is the third article in a series dedicated to the 25th anniversary of LEDAS. Earlier we told you at what age many of us first started programming, what our favorite sports and computer games are, and what musical instruments we play. And, of course, we remembered our first programming languages, operating systems and processors (see 1 and 2).

Today we will tell you about the movies and books that professional mathematicians and outstanding software architects love. But first, let's list a few statements about our developers, and you try to guess which of them are fictitious:

  • One of our employees became a prize winner of the national championship in athletics.
  • One of us is a silver medalist of an international soccer tournament.
  • We have a ...

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Over the winter we told you about our book club and published a list of 42 books that we read and discussed over the years. Today, as promised earlier, we are sharing our impressions from the last three meetings of the club.

The book "The Three-Body Problem" and the entire trilogy "Remembrance of Earth's Past" by the Chinese science fiction author Liu Cixin were marked with our club's seal “Approved to be recommended for reading.”

Here is the list of our tips and notes:

  • If you don't want to read the whole trilogy, please don't start reading the first book… or start reading it.
  • Chinese science fiction exists.
  • Trisolaran is not our comrade!
  • Chinese translator is a very creative profession.
  • Living on a flat Earth is ...

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Yes, it's our company's 25th anniversary. And we accept congratulations and warm words. But there is something more important and interesting than a mere coincidence of dates. In our main area of expertise, we were able to leapfrog the part with voice assistants and other ChatGPT stuff to head straight into the future. And we're going to tell you about it right now.

Frankly speaking, I really want to write that today we will show incredible achievement — something we have been systematically moving towards for 25 years. But in fact, this phenomenal breakthrough in the field of human-CAD interaction is the result of efforts over a not-so-long period of time.

Of course, this is based on the solutions we have implemented earlier. For example, LEDAS Cloud Platform once ...

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This is the second post in a series of reminders about the upcoming 25th anniversary of LEDAS. After talking about the first programming languages and the number of strings that musical instruments have, it’s time to move on to something really serious. Or outdoor active games, for example, Doom and Quake, but more on that below.

But first, let's take a look at an unexpected coincidence:

  • This wonderful leap year of 2024 has exactly 366 days, as it should have.
  • Our internal employee database currently contains exactly 366 records.

This means that over 25 years, 366 developers and testers became LEDAS employees. Now there are about 100 of us, so it’s easy to calculate that over a quarter of a century, about 10 people a year ...

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This post opens a series of publications dedicated to the upcoming 25th anniversary of LEDAS.

In our era, which in many respects is not much different from the era of two thousand years ago, it is still important to periodically ask the question of who we are.

To get at least a partial answer to this question, which worries not only philosophers who occasionally think about it, but also always active recruiters, we conducted a survey of company employees.

And before we get to the strings, let's find out at what age and in what language the developers of CAD components and solvers begin programming.

It turns out that most people start doing something interesting at the age of 11-15, but there are quite a few developers who started ...

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Our Top 5 Blog Articles

Дек 20, 2023 Ilya Lichman

We recently shared with you a list of books that we have been reading for joy and to build up our neural connections, while developing our mathematical algorithms. And so today, as we reach the end of the year, we thought we would list the most popular tech articles from our blog.

  1. Fast Debug in Visual C++

    Usually, debug builds are 10-20 times slower than release builds, but the slow speed is not usually a problem. But what if you need to debug code with a very large dataset? In this case, to catch bugs you may well end up waiting far too long, or else you might encounter many problems with the release build, when you skip the debug stage.

    In our “Fast Debug in Visual ...

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Our Autumn Update

Ноя 27, 2023 Alexey Ershov

Hi there! Let me report to you our recent activities, from late summer to mid-autumn. We have been busy!

It was in August that we launched a new project in the area of digital medicine. It is somewhat different from our usual work in digital healthcare in that it combines software with hardware development. It is the innovative hardware part to which we are paying a lot of attention. Although I cannot reveal the name of the client, I can tell you that we are working on a start-up project initiated by a team already established as successful entrepreneurs in Industry 4.0.

September was the month in which we organized a week-long series of technical meetings in Italy. Together with one of our biggest customers, we discussed their ambitious ...

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The Book Club at LEDAS

There are exactly 42 books on our reading list, something Douglas Adams would approve of!

Ноя 14, 2023 Ilya Lichman

Just as it is hard to clap with one hand, it's hard to develop mathematical algorithms only by reading technical articles. And so despite the fact that we regularly read and write about C++ and CAD (for instance, about constraint solvers and plugins), we have regular book club meetings at our company at which we read fiction and non-fiction.

Perhaps one day we'll make a list of our favorite technical books on designing complex and reliable systems and must-read articles on mathematical algorithms, but for today we'd like to share a list of the books that interest us.

Back in 2018, LEDAS Book Club meetings were held in person, but gradually we've come to realize that it's much more convenient to meet online. As of 2020, ...

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Will ChatGPT Replace Programmers At LEDAS?

Сен 12, 2023 Nikita Vorobyov

You must have heard of ChatGPT, that artificial intelligence chatbot developed by OpenAI. It interacts with humans in a conversational way by supporting queries made in natural languages.

For developers, ChatGPT’s most attractive feature is its ability to generate code in any programming language. But how useful is AI-generated code? Let's find out by asking ChatGPT to solve some simple tasks that arise in CAD development projects. (We conducted this study some time ago; since then, ChatGPT has perhaps become smarter.)

In our experiment, we asked ChatGPT to solve the following tasks:

  1. From scratch, write a geometric algorithm to find the intersection of two lines in 3D space
  2. Using an open source library, write a geometric algorithm to imprint a 3D solid
  3. Provide a brief guide ...

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Some parts of the history of CAD are intertwined with card games and other fun activities, perhaps more than CAD/CAE/CAM users and developers realize. One of the most famous events occurred in the late 1980s when Jon Hirschtick trained the MIT Black Jack team.

Using his techniques, the team won millions in Las Vegas, which then went on to blacklist him from their casinos. You may have seen the movie or TV series about his amazing journey, going from university to winning at casinos, and then using $1 million of his winnings in 1993 to create SolidWorks, the first – and then best-selling – mid-range mechanical CAD package to run on Windows (now owned by Dassault Systѐmes). Later, he went on to lead the development of Onshape, now owned by PTC. You ...

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