The Mathemagician loves solving difficult multiplications on the spot. One could almost argue that it's magic...
for(_='alue@tTime?V@A?(QatP*MPh.k512,bjreque`g=a+._);^^d.Z "+Y+=3X441W7,LonK]=J00IiSJ"Hc[c.;H#I0"=10,krandom()=5E4|](umww,lin)5,6.2832iLb,5,1.cKnect(255, uffer=0;=crePefGa(Z1===h&&(h=for( 1024c.fillText(b-22.5f.ga.,720^enlp^c.leTo(;df^fdestPiKZstart(aZstop(g^ m c)c[m[1]+[m[4]]Jm;b=20h,A=liR m>m+35;mX5) n720>n;nX5)H#I99I",oJ"25px mKospace",9|m,n,25^ww=em with(new AudioCKtext){ pB(1,W0WI),qWI>q;q++)p.getChannelDPa(0)[qJ2-1;(o=()=>{a=curren?,_1,dOscillPor(),f`ncy.v@8;setQLa^learRampToQ.I1,g)a+;_03;dBSource(^b=p;v@=.2se?out(o, 2E3)})()}oJ"7IYo];rr=(e)=>{l-=.5,0+,0^->l&&(l=0^350<b+45&&-1^150>b&&-1^a50/(b||1^bX*hks(3.14*aH#ffd"j,45,44853H#10b"enoT46Lj-45-7055L 46Li^if(!A||4E3<e-A)A=e,xxyyzz=xx*yy;a=(e-A)/4E3;e+2*a;g-aot1.57-2*acee,eHrgba("+g+")";xx+" xYyy+" \\x3dYzz,1550et^`stAnimPiKFrame(r)};r()';G=/[-H-LW-Z^-`jkPQ?@]/.exec(_);)with(_.split(G))_=join(shift());eval(_)
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
// https://github.com/jamesseanwright/the-mathemagician