Python is beautiful, simple, great, and powerful. I have passed many online courses related to python and I have used it for these numerical calculations:
Python is pretty interesting. It is a general-purpose language and can be used to build about anything. I used it to develop some bots in Telegram messenger to handle my works easier. I have started to learn about python design patterns.
Java is a powerful language with several applications. First, I used it for android applications development when I was working in a company. I also used it to generate complex geometries (like packed-bed reactor detailed geometry) and some other codes in COMSOL multiphysics for CFD projects.
I am familiar with MATLAB. It can be used to solve and check chemical engineering problems. I have passed some workshops and online courses in numerical computations with MATLAB. However, I have not used it for a real project and just know the basic syntax. MATLAB is similar to Python. The bad thing about MATLAB is that it is a commercial product and expensive. However, it contains great amounts of functions and a large scientific community uses it.
Dart is a client-optimized programming language for apps on multiple platforms. It is developed by Google and is used to build mobile, desktop, server, and web applications. Dart is an object-oriented, class-based, garbage-collected language with C-style syntax (Wikipedia). Dart is the programming language used to code Flutter apps. I have started to use dart to develop mobile applications and it is really interesting.
A finite element analysis, solver and beautiful multiphysics simulation software. I use this package for studying flow behavior, heat transfer, mass transfer, reactions, particle tracing, and optimization studies. I have done several projects by COMSOL Multiphysics with different groups.
A finite volume analysis simulation software to solve the partial differential equations of energy, mass and momentum conservation. I am familiar with this software. I have used this package for some class projects in the university and also passed an online course about this. It is much better than COMSOL Multiphysics in multiphase flow simulations because of FVM solvers.
Design–Expert
Offers comparative tests, screening, characterization, optimization, robust parameter design, mixture designs and combined designs. I am familiar with this software. I have used this package for some class projects in the university.
LaTeX
A free software used for the communication and publication of scientific documents. After writing my thesis with Office Word, I found it a painful experience. Word is really bad at handling long scientific documents. LaTeX makes it very simple to handle math, tables, and equations. I started to learn it by online tutorials and it is really interesting and a technical documentation.