Use forward and backward pass to determine project duration and critical path

Check out www.engineer4free.com for more free engineering tutorials and math lessons!
Project Management Tutorial: Use forward and backward pass to determine project duration and critical path.
Please support my work:
PATREON | / engineer4free
Every dollar is seriously appreciated and enables me to continue making more tutorials

[@10BestOnes]

I pay $1,000 each semester for this, and you explained it all in a 7 minute video for free. You're a legend.

[@ghedisiyat]

hahahaha i have spent 3months and nderstand nothing till i watch this video and got it in 4min to do it in my own.

[@mijack8228]

@KC you pay to get taught by an experienced lecturer not a damn course outline.

[@mwaseemzakir]

Seriously!!! 1000$ OMG

[@poshiyaraj]

i think u are exaggerating it no one will believe u pay 1000 bucks for just critical path coaching,unless u are making research on it XD

[@hasansakib3502]

which country? how many months per semester lol? 1000 dollar omg

[@iam.Hombre]

6years later and this lecture is still doing amazing stuff... thanks dude

[@Engineer4Free]

And still replying too ;)... I gochu!!

[@roma32678]

@@Engineer4Free which application are you using?

[@nathanaelpomat2561]

And here I am as well :D

[@febin_0410]

Same ,even after 8 years! Thank you

[@Kamal_AL-Hinai]

try 9 years later. God bless him

[@solomonojo2697]

You just saved me 1hr of reading a book without getting the forward pass, backward pass and critical path. Accurate and precise explanation. Thanks

[@Engineer4Free]

Happy to help =)

[@fancyaristocrat7450]

I swear KZbin is superior to all my teachers.

[@Engineer4Free]

;)

[@ghedisiyat]

truely the best teachers are here plus lazy learners

[@mangomangomanguito]

so damn right

[@marceloalfonso7130]

Kudos for the Video! Excuse me for the intrusion, I would love your initial thoughts. Have you researched - Teannah Psychic Sucker (search on google)? It is a good exclusive product for finding the best project management and business templates minus the headache. Ive heard some super things about it and my good mate called Gray at very last got astronomical success with it.

[@saquibrazakhan7412]

Yesss

[@nazneenkhan6717]

I don’t usually comment on youtube videos. But this video deserves all my respect. Have been banging my head into this CPM since the whole semester. But this, 7 minutes video, just changed the game for me. Could never thank you enough for this video. Great great great work done.🤩🤩🤩

[@Engineer4Free]

You're welcome!! Thanks for the comment! I have many more PM videos here too that you might also find helpful: engineer4free.com/project-management =)

[@austinobans1402]

really?

[@ephraimelakhe9241]

Wow you just thoroughly explained CPM analysis under 8 minutes. Something we had to do for an entire semester. Thank you

[@jimmylee3760]

I just want to say your tutorial is the most comprehensive I’ve watched so far, thank you from Hong Kong

[@samyak9134]

thx for securing my 5 marks in exam

[@teresadial4888]

I was soo happy to find someone to explain this from start to finish and it makes sense! God Bless You Dude!

[@blossomchinaka1167]

Amen!

[@rajsamrat8266]

@@blossomchinaka1167 you can come

[@daniellemarsh1989]

God bless him! Here to pass Construction Scheduling class 😫

[@kwhydesu4434]

Periodtttttttttt

[@TheMicWillExperiment]

Yeah none of my course materials were this clear and it was in 5 minutes!

[@yanibelcolvin5825]

God bless you sir, you explain everything so clearly. I wish my professor was this clear on the subject. You are a life saver, thank you, thank you!

[@Usman-ml4ig]

You are totally awesome! I was dodging this concept for years, and you've taken just over 7 minutes to drum the concept in my mind! And this is coming from an expert investment banking coach with sovereign funds as clients! I wanted to explore Project Management, and you've made it wonderfully lucid. Thanks, mate!

[@Engineer4Free]

Awesome! Glad I could help and thanks for letting me know 🙂. I recommend checking out the full course that I did here: engineer4free.com/project-management theres some good stuff in there 👌

[@israelonu-maria1364]

I'm a Masters student beginning my MSc Project Management Exams today. I'm glad I saw your clip. It's simple and clearly explained. Thanks

[@AldosWorldTV]

10/10 thanks boss

[@Engineer4Free]

Happy to help, thanks for watching!

[@jujubillybob3027]

He has 2.5mil subs wtf

[@Engineer4Free]

Hahahaha damn yo. I didn't even realize 📈

[@bonfied43]

Can you give my professor a crash course, please? Thank you!

[@Engineer4Free]

Haha, that would be the day!

[@ashishrao3069]

Just do it man. They really need to know how to teach this. Paying filthy money to learn all this.

[@tf-gt2pd]

I spent hours and hours trying to figure out what was going on as the e-text video is in excel which we cannot use in exams. The video comes nowhere close to how well you explained everything. You are a lifesaver. I wish you the best!

[@MaiNguyen-ic9ue]

My teacher doesn't even explain anything. He just throws all slides that he stole from somebody else at us and tell us to finish the exercises. SO THANK GOD I FOUND THIS TUTORIAL! THANK YOU!

[@Engineer4Free]

Unfortunately it's not the fierst time I've heard something like that, but glad I could help! Check out engineer4free.com/project management for all the PM videos I did!! 👌

[@megwin55]

Im paying for a course in this and you explained it more clearly than my lecturer. THANK YOU! Makes so much more sense when you explain it!

[@Engineer4Free]

The system is a bit backwards, but glad I could help!! ✌️

[@siddharthaggarwal3495]

Made it so much easier to understand than trying to understand from a $100 textbook

[@Engineer4Free]

🤜🤛

[@mamjiee3935]

You are a genius! 6 years later and this is the best and straight forward explanation that I have had! Wow

[@NanaKana-kd4jp]

Kudos to you for breaking down the complexities of project management and the Critical Path Method! 🌟 Your explanation through the forward and backward pass made it so clear and accessible. I've been searching for a tutorial that demystifies this process, and your video nailed it! The step-by-step guide was incredibly helpful. 👏 Looking forward to more insightful content from your channel. Keep up the fantastic work!

[@talhairfan554]

THANKSSS ALOTT for teaching this in just 7 minutes. My professor took 4 sessions to complete this topic and still i was confused in many steps.. Keep up the good work.. May God Bless You :)))

[@Engineer4Free]

You're welcome Talha!! 🙂

[@sandraa6371]

Ive learnt so much these few months since i started studying Project Management. I got an A in budgeting and scheduling just by learning from you here today. Thank you so much, your way better than my teachers, cheers...

[@Engineer4Free]

Thanks for letting me know!! Rally happy to hear it =)

[@estherkaranja7078]

Dude you are so amazing

[@humyunfuadrahman624]

You made me cry. I’ve spent two days to understand this, but you’ve clearly explained within few minutes.

[@Engineer4Free]

Glad I could help you out Humyun =) =). Make sure you check out all the PM videos that I did over at engineer4free.com/project-management if you haven't already!

[@tamaraslaughter913]

I just have to express how awesome you are. I've watched 5 separate videos from my professor, read the textbook and still couldn't understand it until I watched your video. Thank you!!!!

[@Engineer4Free]

Glad I could help!! You should check out the full playlist that I did at engineer4free.com/project-management =)

[@elicantu5725]

I have a final today in 2 hours on this material and you have saved my semester!

[@Engineer4Free]

Hope it went well Eli!!

[@inamulhaq457]

How did it go

[@elicantu5725]

@@inamulhaq457 Got my degree this past may babyyyyy

[@inamulhaq457]

🙃

[@nimrahch9337]

@@elicantu5725 pray for my degree!!! have my paper tomorrow

[@subrable]

You rock dude explaining a complicated topic in the most simple way is what you did ..very few have this unique skill.

[@Engineer4Free]

Thanks a lot for this comment!

[@qasemtv1737]

These KZbinrs deserve our respect sincerely speaking 😂😂! Like my professor couldn't explain nothing but confusing us 😂😂😂!! A three hour project network technique just took me 5 minutes to understand 😅 Master am ready for my exams!!

[@Engineer4Free]

Haha, thanks and glad I could help ☺️

[@emilyraffensberger5373]

Did the requisite 32 hours for the CAPM exam, and this clarified everything in about 7 minutes. Thank you so much!

[@Engineer4Free]

😂 glad to hear it!!

[@agnivchakraborty4215]

You brought a tear to my eye :') Thank you so much!!

[@MukundMadhav]

Oh my god. This was so beautifully explained. Paying more than $3k and going to several classes and still, they can't match this guy here! You are awesome :D

[@Engineer4Free]

Ahhh thanks for the kind words Mukund!! 😁😁

[@carlospan368]

Thank you! My professor really struggled to communicate this concept clearly. you're the GOAT

[@JMcNultyDrums]

This was remarkably helpful and made much more sense to me than the method I was initially shown. Thank you so much!

[@Tamil_learning_for_kids]

thanks for explaining a critical method in simple manner

[@vincentdamane2158]

Diamant e relámpago

[@nokwazindlovu342]

Thank you so much for explaining so effortlessly 💗 Bringing my anxiety to 0% and raising my capacity to 💯

[@Engineer4Free]

You're welcome!! 😁

[@aubreycarew6324]

I just love how simple and easy you make it to be understood. Perfect teaching. Just 7 minutes and I was able to get it in so easily. THANK YOU

[@Engineer4Free]

Great to hear! 😁

[@sampsonadugyamfi]

I spend a whole semester contemplating with it and you use only 7 mins to explain you're the best

[@simtim42526]

I pay 1 lakh rupees each year for engineering and at the end learning from KZbin.

[@Engineer4Free]

I was just in India, that's a lot of rupees 😶

[@bikramsidhu962]

You explained like, I was actually watching what's going on the job site in front of my eyes. Thank you so much can't wait to watch your next video

[@Engineer4Free]

Glad it was helpful!!! =)

[@Hattie23]

As part of my PMP certification exam prep, I planned to watch a couple of videos on the concept of the critical path. Your video was the first and after viewing it, I don't need to see anything else. Thank you, sir. Well done!

[@Engineer4Free]

Haha nice, glad I could help! Be careful though, I think PMP initializes with a 1 while I use a 0. The same logic applies though. Incase you need any more material, I have full playlist at engineer4free.com/project-management 👍👍

[@sathiyahkasaban9837]

Straight to the point! Thank you for the quick and simple explanation :)

[@blossomchinaka1167]

Just too amazing! The best ever to explain this whole CPM, ES, EF, LS, LF etc. Thank you so much and God truly Bless you for this great Video!

[@sabelojune4865]

Thank you bro you are just making our lives easy i failed to grasp this the whole semester and in 7 minutes i just grasped everything that my lecturer was trying to communicate

[@Engineer4Free]

Glad I could help! You should check out my other PM videos too: engineer4free.com/project-management =)

[@muskaankhoja6033]

I had watched so many long videos to understand this concept but only through your video I could actually understand it. Thank you so much. Now everytime I'll be referring to you only. God bless you!

[@user-ql5cb8ne9w]

9 years later, and this lecture is still doing great stuff, thank you so much, from Vietnam

[@Engineer4Free]

Thanks! I spent a few months in Vietnam before, mostly Hanoi... Tôi yêu Việt Nam!

[@subhankardas3851]

This video has made my day. I was having problem to understand the backward pass but after watching this video, I understood the mechanism behind it. Thanks for such help :)

[@Engineer4Free]

That's awesome to hear Subhankar!!! Glad I can help you out :) If you haven't seen them already, you can check out all the PM videos that I have over at engineer4free.com/project-management

[@techforhad]

Sir , I swear KZbin is superior to all my teachers. Seriously you don't know how much I m gratitude to u ... Tomorrow I have Project management and software engineering final exam ... Thanks a lot from bottom of my heart for this kinda tutorial.

[@Engineer4Free]

Hope you crushed it!!!

[@techforhad]

@@Engineer4Free Yes sir!! Love ur voice as well !!

[@Engineer4Free]

=)

[@bridgetlovell6738]

Thank you so much! My professor posted a word document on this that displayed the network diagram but did not explain it. I know understand what is going on. Please never stop posting these videos. Very helpful!

[@pineapplepancake5502]

mad genius dude i spent 2 hours going through my lecture slides and didnt understand anything and here you explained so easy man thanks i got an exam on tuesday so thanks

[@Engineer4Free]

Thanks homie, hope the exam went well! 🙂🙂

[@pineapplepancake5502]

@@Engineer4Free yeah mate the exam was very easy and thanks as i had a couple questions based on this topic

[@angelfish7837]

Omfg...omfg so much fking better than the fking book. Thank you so fking much

[@Engineer4Free]

Hahaha your welcome :p

[@Abelkinyala]

Thank you

[@ahamadromen]

sure also much better than the instructor i had. :)

[@m_ptl]

what is fg & fk ... fking...

[@JakeVoorhees]

Yup this guy is the best teacher everrrrr

[@jannynebianco9298]

you saved me !!! THANK YOU SO MUCH!! please keep making these videos

[@jasmine2131]

I have come to this video maybe 10 times just to remember the steps before my exams!!! you ARE A LIFESAVER!!! THANK YOU SO MUCH!!!!

[@aireealistic]

Prof spent 2 sessions of class just to explain this and it is still not as clear as how you did it. You're a life savior. Thanks a lot.

[@Engineer4Free]

Glad I can help!!! Check out engineer4free.com/project-management for all the PM videos that I made =)

[@aireealistic]

Engineer4Free BLESS YOU! thank you so much 😭💕

[@lubicagrossenbacher4939]

The best explanation ever. Thanks a lot!

[@Engineer4Free]

Thanks for commenting, glad you liked it! :)

[@brendasatade3520]

8 years later. Amazing stuff🔥👏

[@Engineer4Free]

Glad it's still helping! 👌

[@bosanac06]

All of your videos are so helpful. My online college courses are purely textbook based with instructors only there to mark assignments. Your videos explain many of these concepts so easily, saving me from getting stuck on not understanding small but key concepts.

[@Engineer4Free]

Thanks so much for the comment, glad I can help

[@teekaiwi4125]

This was amazing. Studying for my PMP and your video simplified this process for better understanding! Thank you!

[@Engineer4Free]

Awesome, glad to hear it!!! If you haven’t already, do check out the rest of my PM videos at engineer4free.com/project-management The numbering system is off by one from PMI, but the logic all still applies!

[@ahmedistiaquekhan7326]

best video ever :D it makes my life easy :D

[@Engineer4Free]

Glad to hear it!

[@ginnybeaunom2410]

Quick and simple. You're really good. Thks

[@Engineer4Free]

Thanks Ginny!! There are more here: engineer4free.com/project-management =)

[@29BlameItOnTheBoogie]

I have cried so many times over this operations management homework (it's online so I already don't get much instruction). I asked the professor for help and she sent me a problem example with zero explanation to it. You, however, managed to walk me through my homework with how you explained this diagram. God bless you good sir 😭🙏

[@macc5082]

Best explanation yet. I've watch many videos explaining the CP, and I'm so glad I fell upon this one. Kudos to you teacher!

[@revfromlvd]

Thank you so much I have a quiz on this tomorrow, Great video!

[@rodion1976]

I've always like this method better because the calculations are simpler. but important FYI, to those studying for PMP exam. if you start with zero, all your ES times will be wrong for purposes of the pmi exam. PMI exam requires you to start with 1

[@Timotolas]

Kevin Duncan ...that's exactly where I am, find out that some books begins in1 and others in 0....cannot be sure what's should be the correct way for PMP exam.

[@bertrandbuba3866]

@@Timotolas is it same for PMI-SP?

[@storylane5079]

I've been confused in class for the past months, all it took to understood the concept was 2 5min videos............really grateful 🔥🔥🔥

[@juanalfredochan7435]

Omg bro. 3 hours listening to my teacher and only took 7 min to understand how to make. Respect

[@Engineer4Free]

Glad I can help! You should check out the rest of my PM vids at engineer4free.com/project-management if you haven't already =)

[@caseywavescreates]

My man this was fucking brilliant, i am more than impressed. Thank you from South Africa

[@Engineer4Free]

hahaha you're welcome my dude. tell yo' friends ;)

[@sheilacavino7294]

i did even know how to solve critical path, leave alone drawing the diagram ,after watching this am ready for my exams

[@Engineer4Free]

Great! Glad I could help 🙂

[@AnandP2812]

Just had a lecture on this - did not understand a thing at all in 1 hour! In less than 8 minutes, I fully understand how to do this... Thank you for a clear, simple explanation. You deserve so much credit. :)

[@Engineer4Free]

😏💫

[@scotttopley6929]

This video was so clear and easily received I actually felt relaxed after watching it.

[@munirulhaikal]

You saved me to get pass in my mid-term exam. Thank you very much. Tutorial is clear as crystal 🙏🏼

[@Engineer4Free]

Awesome super glad to hear it!,🙂🙂

[@meitrapatterson2229]

WOAHHHHH my brain made an actual noise when I finally now understand the critical path.. two semesters later.. I feel like I can be a project manager now. Thank you!!!!!

[@Engineer4Free]

BOOM nicely done!! Better late than never... I'm glad I could help explode your brain 🤯🧠💥

[@alieid8198]

And you too mr meitra

[@scorpioinny24]

Thank you, your explanation of this made so much more sense than what I got from my professor... you’re amazing

[@Engineer4Free]

😊😊

[@missyoungkhalifa28]

My professor just spent 3 hours trying to explain this and so many people in the class were confused. I knew it was a simple concept so thanks for putting this 7 min video together!

[@Engineer4Free]

Glad it helped!!! Many more minutes here: kzbin.info/aero/PLOAuB8dR35oeyKU0ojIxD8Muf6Mwc8ugW 😏

[@jessabelpineza1021]

It's so very helpful for our activity❤️ coz we can't go to school due to the pandemic. Thank u

[@Engineer4Free]

You're welcome 😊. Do check out the full playlist here too: engineer4free.com/project-management !!

[@see5840]

I started with 1, in ES of Activity A at the beginning and finally ended up with no critical path! I wish you could calculate from the day 1 not 0. For example my final result accordingto PMBOK, for activity A, is become as follows: A: ES=1, LS=0, EF=3, LF=2. B: ES=4, LS=3, EF=7, LF= 6. C: ES=4, EF= 5, LS=9, LF=10. And so on! Please share your result when you tried! Thank you!

[@mariamae7351]

Really thanks! I was trying to do my project but non of the videos in youtube was helpful, till I find yours! So finally I finished my project because of you~! Thank you again^^!

[@knalliah]

Stucked for 4 hours trying to understand the module my teacher gave us. But then saw this video, and finally understood the calculation for just 7 minutes. Thank you so much

[@Engineer4Free]

Glad I could help!! You might find the other videos I did helpful too: engineer4free.com/project-management

[@mohamedakram3163]

Super Cool, you are genius bro I tried understanding this from 2016

[@Engineer4Free]

Thanks bro 🍻

[@capper3360]

Instant subbed, you my dear are a genius.

[@Engineer4Free]

Thanks!

[@hyp3d35]

absolute genius, my college proffesors would take an entire lecture to explain this, you did it in minutes❤

[@zurajanaii]

7 years later and you still got it. Thanks man

[@atsomaratne]

When my lecturer taught me this it was so confusing but bruh this is so much fun😭

[@Engineer4Free]

Haha, can check out all the videos at engineeréfree.com/project-management , might be helpful 👌

[@kingdomloco]

This was easy to learn and use, thanks dude...

[@Engineer4Free]

Glad to hear it! I have some more PM videos here: engineer4free.com/project-management ☺️

[@anthonyhart9567]

You have no idea how grateful I am for this video, you may have saved my exam

[@runnergrl2468]

You really helped me understand this concept. I attended a class and they did not do as good as you have done here. Thank you so much!!! 👏

[@LisaWilliams77777]

Thanks for this - it really simplifies it in my mind now. Much easier than the book or my instructor.

[@Engineer4Free]

Glad it helps. Thanks for the feedback!

[@dgfcl56ify]

Wow, incredible. Thank you!

[@Engineer4Free]

Glad you liked it! The full playlist is here kzbin.info/aero/PLOAuB8dR35oeyKU0ojIxD8Muf6Mwc8ugW 🙂

[@kevinmunene8648]

Holy crap, thank you so much, I was just waiting for a friend to come back from a trip and teach me this then decided to check out youtube and I actually learned it, thanks you so much, keep posting...

[@Chawla_archit]

Great summary for the topic and very well explained in such an easy way. Am an student of Project management and this is really gonna help me in my course. Thank you.

[@schoolofpubg]

Thanks, u cleared me about critical path method. I hope I can do my semester exam well

[@Engineer4Free]

Great!! You can find all of the PM videos that I did here too: engineer4free.com/project-management =)

[@rowar150]

Bro, you are a god I have midterms tomorrow

[@Engineer4Free]

=) =) Good luck!! 🙌

[@sheilamehta648]

Great explanation. Easy to follow an understand. 1 week before my exam it's exactly what I needed. THANK YOU!

[@Engineer4Free]

Great to hear! Good luck on your exam!! =)

[@kenya34able]

EXCELLENT! Clear; easy to follow and understand. It all makes sense now.....Thank you so much!

[@Chiramisudo]

*PSA:* Never take it for granted that we have all this wonderful information available for free. I am so grateful, aaand, this may be unpopular to say, but... *Thank you Google!!!* _(now stop cyber stalking us all over the web please)_ 😋

[@Engineer4Free]

Yup it’s a wonderful informative world that we live in!

[@AZIAZM]

BEAUTIFULLLLL

[@Engineer4Free]

Thaaaaaaanks Azila

[@syedhaq12]

Great and excellent work in CPM. After had searched tons of videos, finally came across your video and you nailed it. Thanks from Pakistan.

[@Engineer4Free]

Awesome glad you like it Syed! You should check out the whole series that I did here: engineer4free.com/project-management 🙂🙂

[@Athu1521]

U the real MVP man!!! Thanks for doing this social service for students like me who study at the last moment before the exam.

[@Engineer4Free]

Hahaha no worries, that's what it's all about. Thanks!! 😁

[@janielleash2990]

its crazy how i got this in one take and i've been trying to understand my lecturer with this for 2 weeks!

[@Engineer4Free]

yuppppppp youtube ftw

[@theMiracle904]

I have my exam after couple of hours and I had no idea about the whole critical path evaluating process untill now You are a God,thank you!!

[@Degga911]

Many thanks, you've cleared a whole lot of questions I had in your clear tutorial.

[@Engineer4Free]

Awesome, thanks for letting me know!

[@tehreemqasim2204]

Watched many tutorials on PERT. This one by far is the best. Many thanks for the great video.