This is pdfTeX, Version 3.141592653-2.6-1.40.29 (TeX Live 2026/Arch Linux) (preloaded format=latex 2026.3.9)  23 MAR 2026 10:57
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LaTeX2e <2025-11-01>
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! Missing $ inserted.
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                $
l.39 \varepsilon
                 = \frac{RMS-RMS_{mean}}{RMS_{mean}}\times 100
I've inserted a begin-math/end-math symbol since I think
you left one out. Proceed, with fingers crossed.

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! Missing $ inserted.
<inserted text> 
                $
l.40 \end{document}
                   
I've inserted a begin-math/end-math symbol since I think
you left one out. Proceed, with fingers crossed.

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LaTeX2e <2025-11-01>
L3 programming layer <2026-01-19>
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Here is how much of TeX's memory you used:
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Output written on tmpfile.dvi (1 page, 684 bytes).
