Why Ada?

If your computer language can't keep pace with your needs, you won't keep pace with your competition.

Choosing a computer language used to be a technical decision. Today, it has become a strategic decision with far-reaching implications for the success of your business.

Consider some of the reasons companies cite for switching to Ada:

  • Some organizations are looking to improve the reliability of their software because system errors could have fatal consequences to life or the financial health of their business. So, they choose Ada for its unique and powerful safeguards.
  • Other companies choose Ada for its ability to reduce software development and maintenance costs.
  • Global companies choose Ada for its worldwide standards and portability to virtually every platform on earth.
  • Still others are doing it because their customers demand it.
  • And universally, as software programs grow in size and complexity, companies are finding that Ada's disciplined approach to software engineering pays off in many ways.

So if you're looking to sharpen your organization's performance and competitive edge, your choice of programming language can make a substantial difference. Look into Ada and how it can pay off for you.


For companies serving fast-moving markets, software requirements are dynamic and expensive.

In business, few things are as certain as change. The programs you write today will need to be modified tomorrow. And next year too. There will be new operational requirements to meet, new problems to address, and new computers and networks to run on.

Over time, these changes will cost three to ten times the cost of writing the program in the first place. With Ada, change is relatively easy because it is the only language designed from the beginning with change in mind.

For instance:

  • Ada supports modern Software Engineering methods-- the disciplined practices that make sure programs are built on solid foundations and principles. The benefit is that change has no effect on the integrity of the entire structure.
  • The Ada language is in English, and is very readable. Programmers changing or maintaining programs can fully understand the meaning and intent of the original author. Because of the clarity of the language, Ada code is easier to change than code written in other languages.
  • Ada is international and standardized. Programmers can change or modify the work of others, even if the work originated in another country at another time.
  • And finally, Ada supports modular programming with standard interfaces, so that changes to one module will in no way adversely influence any other module.


If you can't afford a system that makes mistakes, don't make a mistake choosing your language.

System errors can be catastrophic to your financial well-being, if not to life and limb. For the record, errors can be made in any software program written in any language, including Ada. But Ada has unique safeguards that make it harder for errors to get through. Consider the following:

  • Ada has the only compilers (the software tools that translate a programmer's code into the code computers understand) that are validated by the U.S. Government and other agencies throughout the world, including the International Organization of Standards (ISO). Each compiler is tested on thousands of programs before it receives validation.
  • In addition, Ada compilers catch many types of programming errors automatically. Debuggers and other tools are mature and sophisticated, allowing errors to be caught early.
  • Ada programs are written in stand-alone modules with standard interfaces. Unlike other languages, errors, when made, are confined to identified areas, and corrections to those modules will not lead to new errors in other modules.
  • Because Ada modules are reusable, even within the same program, reusing known correct modules eliminates the possibility of error in new coding.
  • Ada is so readable, identified errors are more easily understood and therefore more easily corrected. And because Ada is standardized, maintenance and change to not introduce errors through lack of understanding earlier work.


As your systems become more complex, your choice of computer language becomes easy.

Programs are becoming increasingly complex as they evolve. Every advance in computers brings with it new levels of programming complexity. More memory and more processing power mean new and bigger applications never before possible.

It also means teams of programmers, and that creates problems. Each programmer, for example, must ask: "Is anyone writing something that will affect the code I am writing?" Or, "Is anyone changing something that my code depends on?" With most languages, it's very difficult to know what other programmers are doing.

With Ada it's quite different:

  • Ada supports modern software engineering principles and methods without which large and complex systems, even if they worked, would be too fragile.
  • Standardization means that every programmer is dealing with the same language and the same programming rules.
  • Modular design and standard interfacing means very large and complex programs can be reduced to manageable modules for each programmer, isolated from each other. And error in one will not affect any other module.
  • Reuse of tested modules in large and complex programs not only saves programming and testing time, but adds to the reliability of the whole system.
  • Ada has been proven in the largest, most complex, and critical software systems ever written.

Taking the Lead...

The language that makes the most sense today is setting the standards for tomorrow.

Ada gives commercial software developers a lot to like: improved software reliability; improved support for large and complex applications; portability across dissimilar architectures and systems; availability on virtually every major computer platform on earth; and the ability to grow and change as your business grows and changes.

Plus Ada enables developers to plan long-lived software applications with high-assurance of straightforward portability to the computers of tomorrow. This long-term viability offers significant benefits, including high return on investment (ROI), more efficient operations, and enhanced competitiveness.

Ada is not standing still, either. Because of Ada's status as a standard of the American National Standards Institute (ANSI) and the International Standards Organization (ISO), a formal review and (sometimes) revision is required every ten years.

The ISO approved the most recent revision of the language in 1995 and thus made it the first of object-oriented languages to become an international standard. Among the changes is new support for Object-Oriented Programming (OOP). Ada has always been strong in OO design and OO analysis. Now Ada builds on that strength with full support for OOP as well.

The bottom line is that Ada offers commercial developers an ideal blend of consistency, maturity, reliability, and performance. Ada supports the creativity and innovation of top technical talent while providing the discipline and engineering required for critical software systems. No other language is as uniquely qualified for building viable cost-effective, long-term software solutions.

Ada is a choice you need to consider.