It's an early version (0.90): there are still some minor bugs and it's not really cleaned up yet... It's also rather complicated... but I've created some nice presets (guitar, organ, percussion-like sounds)! I hope you enjoy my work.

I've released a new version 0.91 of [mimba] on my site...

expr divide by zero detected - 'sin(w2128)sinh(ln(2)/2$f1*w2128/sin(w2128))'

Do you have access to another computer where you can try using Pd? Or an iPad where you can install Plugdata? I wonder if it might be your computer if Pd might be conflicting with something. I am taking guesses, really, as I do not know a whole lot about Pd beyond what I have learned from the book I am reading, and I am not even a third of the way through that.

If you can try it on another Windows computer and it works, it might be something on your computer causing the problem. There are other methods of using your computer with another operating system, such as using a Linux Live CD, but you have to be very careful when using that to not overwrite your current OS by mistake.

So here are the results from a search on the MacOS cli:
mimba-092b % grep "sin" *
mba.pd:#X obj 1201 543 r $1-mmbsintkeybp;
mba.pd:#X obj 319 354 r $1-mnbsinidelall;
mba.pd:#X obj 347 454 r $1-$2-mnbsinidelalldd;
mba.pd:#X obj 348 493 r $1-$2-mnbsinidelallml;
mba.pd:#X obj 1704 4618 r $1-mmbsinidelsensi;
******************* MY ADDED TEXT TO HIGHLIGHT THE LINE*****************************
mba.pd:#X obj 595 437 expr sin(w$0)sinh(ln(2)/2$f1w$0/sin(w$0));
MY ADDED TEXT TO HIGHLIGHT THE LINE**********
mba.pd:#N canvas 0 83 1920 997 sineIm 0;
mba.pd:#X restore 160 538 pd sineIm;
mba.pd:#X obj 323 536 sin;
mba.pd:#X text 505 456 alpha = sin(w0)/(2Q);
mba.pd:, peak gain = Q) b0 = sin(w0)/2 = Qalpha b1 = 0 b2 = -sin(w0)/2 =
mba.pd:#X text 530 678 b0 = sin(w0)/2 = Qalpha;
mba.pd:#X text 530 759 b2 = -sin(w0)/2 = -Qalpha;
mba.pd:#X obj 125 383 sin;
mimba.pd:#X msg 59 488 ; $1-wtable-ramp3 sinesum 515 1 -1 0.5 -0.5 0.33 -0.33
mimba.pd:#X msg 51 296 ; $1-wtable-ramp2 sinesum 515 1 0 -0.111111 0 0.04
mimba.pd:#X msg 52 88 ; $1-wtable-ramp1 sinesum 515 1 0.5 0.33 0.25 0.2 0.16
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X msg 875 315 ; $1-wtable-z1b sinesum 515;
mimba.pd:#X obj 147 791 list prepend sinesum 1024;
mimba.pd:#X text 509 510 rising saw;
mimba.pd:#X text 35 274 soft sine 2;
mimba.pd:#X text 20 201 soft sine 1;
mimba.pd:#X msg 521 916 ; 1-addiwaves write sine-noisy1.txt;
mimba.pd:#X msg 522 853 ; $1-addiwaves read sine-noisy1.txt;
mimba.pd:#X text 165 339 (3) soft sine 3;
mimba.pd:#X text 1334 643 soft sine 1 with octave louder;
mimba.pd:#X obj 171 780 list prepend sinesum 1024;
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X obj 147 791 list prepend sinesum 1024;
mimba.pd:#X obj 679 864 list prepend sinesum 1024;
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X text 193 158 0 soft sine 4;
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X obj 42 374 s $1-mmbsintkeybp;
mimba.pd:en filders te 'clearen' in tien voices tegelijkertijd. Oplossing: tussen
mimba.pd:elke stem bv. 100ms steken , zie oplossing aan de rechterkant van
mimba.pd:#X msg 1041 471 ; 1-addiwaves write sine-noisy1.txt;
mimba.pd:per wavetable)(de langste sinesum messages -zoals 37- hebben nu 36
mimba.pd:#X text 36 318 alle lage tonen maximum 36 harmonieken in sinesum ,
mimba.pd:doen met global previous pitch (en toggle voor aanpassing van vorige
mimba.pd:#X msg 59 488 ; $1-wtable-ramp3 sinesum 515 1 -1 0.5 -0.5 0.33 -0.33
mimba.pd:#X msg 51 296 ; $1-wtable-ramp2 sinesum 515 1 0 -0.111111 0 0.04
mimba.pd:#X msg 52 88 ; $1-wtable-ramp1 sinesum 515 1 0.5 0.33 0.25 0.2 0.16
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X obj 147 791 list prepend sinesum 1024;
mimba.pd:#X text 509 510 rising saw;
mimba.pd:#X text 177 311 soft sine 2;
mimba.pd:#X text 162 238 soft sine 1;
mimba.pd:#X msg 521 916 ; 1-addiwaves write sine-noisy1.txt;
mimba.pd:#X msg 522 853 ; $1-addiwaves read sine-noisy1.txt;
mimba.pd:#X text 227 363 (3) soft sine 3;
mimba.pd:#X obj 171 780 list prepend sinesum 1024;
mimba.pd:#X obj 147 824 list prepend sinesum 1024;
mimba.pd:#X obj 147 791 list prepend sinesum 1024;
mimba.pd:#X obj 679 864 list prepend sinesum 1024;
mimba.pd:#X obj 100 1319 r $1-mnbsinidelall;
mimba.pd:#X obj 624 1290 r $1-mmbsinidelsensi;
mimba.pd:#X obj 11 591 hsl 128 15 0 508 0 0 $1-mnbsinidelall $1-mnbrinidelall
mimba.pd:#X obj 829 17 bng 15 250 50 0 $1-mmbsinfopifqin empty i 17 7 0 10
mimba.pd:(read) variations ; 31 = read once with small sine (read) variations
mimba.pd:; 32 = read once with bigger (read) sine variations ; 33 = normal
mimba.pd:#X obj 306 22 r $1-mmbsinfovelom;
mimba.pd:#X obj 555 28 r $1-mmbsinfopifqin;
mimba.pd:#X obj 29 231 r $1-mmbsinfodetails;
mimba.pd:#X obj 416 137 bng 15 250 50 0 $1-mmbsinfovelom empty i 17 7 0 10
mimba.pd:#X obj 907 94 hsl 121 10 -1 1 0 0 $1-mmbsinidelsensi $1-mmbrinidelsensi
mimba.pd:the pitch detuning caused by bypassing/crossfading APF delay., f 66
mimba.pd:#X obj 22 622 r $1-mmbsinfoafterfiltrin;
mimba.pd:#X obj 1016 539 bng 15 250 50 0 $1-mmbsinfodetails empty xtra_details
mimba.pd:#X obj 1650 601 bng 15 250 50 0 $1-mmbsinfoafterfiltrin empty i 17
mimba.pd:; mmbsimplvl ; mmbsxfadeapf ; mmbsxnoilop ; mnbsinidelall ; mmbsxnoistaval
mimba.pd:'drastische oplossing: default naar alle voicespecific send-receives
grep: presets: Is a directory

I am going to refine the search method to include the relationship/equation from the error message to see what happens.

@jamcultur it is good to see you found your source of the error. Does that tell you why? And I am curious how you found it.

Seeing the code with the error doesn't tell me why the error occurred. I found the code using the findstr command on Windows (similar to grep on Linux). I searched for the code referenced in the error message that was issued to the Pd console. Do you not get the divide by zero messages on your Pd console?

I see whale-av presents what might be a solution. That could be interesting.

Figuring out Pd is something I really want to do so I am trying to learn a lot as I go along. It all seems to working out this time but it is taking longer than I would like. Oh well.