en-N This user can read and write at a native level in English.
sw-2 Mtumiaji huyu aweza kushiriki kwa Kiswahili cha kiwango cha katikati.
for-4 This user is an expert programmer in Fortan.
py-2 This user is an intermediate programmer in Python.
c-2 This user is an intermediate programmer in C.
latex-3 This user is an advanced coder in LaTeX.


Books I contribute to

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Parallel Spectral Numerical Methods (one of the original authors)

Fire Simulation for Engineers