Under certain circumstances, SMath simplifies a^(-1/2) into nthroot(a,-2), which produces correct results but looks odd. See attached example (all symbolic evaluation).
nthroot.sm (3,66 КиБ) скачан 792 раз(а).
Technische Mechanik mit SMath Studio: https://link.springer.com/book/10.1007/978-3-658-50592-9