I would argue that Smalltalk’s usage is greater than Mathematica’s. Look at the recent history…

In the early 2000s, the U.S. joint military used Smalltalk to write a million-line battle simulation program called JWARS. It actually outperformed a similar simulation called STORM written in C++ by the U.S. Air Force. That by itself was an astonishing testament to the capabilities of the language.

Smalltalk was used by JP Morgan to write their massive financial risk management system called Kapital. In fact, Smalltalk is quite popular in the financial industry; other users include Desjardins and UBS.

Orient Overseas Container Lines used Smalltalk to develop their IRIS-2 shipping management system.

Other major users include Florida Power & Light, Texas Instruments, Telecom Argentina, BMW, and Siemens AG.

In my home country, Smalltalk is used by Communications Security Establishment (CSE), Canada’s national cryptologic agency.

Smalltalk is endlessly versatile:

And I’ve just barely scratched the surface!

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store