3 ms·I imagine integrals would make a loud static-y burst of noise.by bee_rider 1y agoI imagine integrals would make a loud static-y burst of noise.cperciva 1y agoNo, crackle is the 5th derivative, not the integral.kccqzy 1y agoIt's not an integral sign. It's U+0283 LATIN SMALL LETTER ESH.