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Old 07-28-2017, 07:55 PM   #43
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There were no such things as laptops or cell phones when I went to school. lol
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Old 07-28-2017, 08:15 PM   #44
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The closest thing we had to a laptop, when I was in college, was a mainframe running cobol or fortran on punch cards.
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Old 07-28-2017, 08:34 PM   #45
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The closest thing we had to a laptop, when I was in college, was a mainframe running cobol or fortran on punch cards.
The closest I ever got to punch card programming was when I wanted to punch my computer when my C++ or MatLab code didn't work ... which was pretty much any time I had to do any sort of programming. Those were the days that I was glad I didn't get into software engineering.
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My sister's dentist's brother's cousin's housekeeper's dog-breeder's nephew sells coffee filters to the company that provides coffee to General Motors......
........and HE WOULD KNOW!!!!
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Old 07-28-2017, 08:37 PM   #46
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The closest I ever got to punch card programming was when I wanted to punch my computer when my C++ or MatLab code didn't work ... which was pretty much any time I had to do any sort of programming.
Try making a mistake on the 3rd card of several hundred and then have to start over from the 2nd card. Them cards ain't free.
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Old 07-28-2017, 09:23 PM   #47
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Try making a mistake on the 3rd card of several hundred and then have to start over from the 2nd card. Them cards ain't free.
Well, at least punch cards were a step up from when you had to physically rewire the room sized computer to do a different calculation.

I probably should re-tell this factoid because I forget so many of the details that I heard. But I think Alan Turing himself opposed having a programmable input on one of the very first computing machines. But one or several of the grad students basically built a second machine with a programmable input, probably because they were sick of having to swap things around for the next input.
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My sister's dentist's brother's cousin's housekeeper's dog-breeder's nephew sells coffee filters to the company that provides coffee to General Motors......
........and HE WOULD KNOW!!!!
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Old 07-29-2017, 09:28 AM   #48
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When you wake up and pee in the toilet, assuming you hit the water, you have used algebra and got the correct answer. The angle of the dangle.
Even so, that could be a challenge in the middle of the night.
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Wouldn't that be geometry?
Algebra is used to determine that I have to take a 1/4 of a Viagra everyday so it will stick out far enough that I don't pee on my feet.
Finally, a solution.
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There were no such things as laptops or cell phones when I went to school. lol
I was so happy that someone invented the slide rule so I didn't have to use the abacus any longer.
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Old 07-31-2017, 09:29 AM   #49
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Aren't teachers supposed to be the ones checking homework?

That app sounds to me more like a way for kids to cheat their way to perfect marks while honest students get lower grades. Providing the final numerical answer should be all thats needed to show that know the correct process. Like with the question from the OP. If you give your kid 38/2(3) and they work it out like this:

36/2(3) = (36/2) x 3 = 18 x 3 = 54

and an app just spits out '54', you know with near certainty that they did things right. But if instead, they wrote this:

36/2(3) = 36/(2 x 3) = 36/6 = 6

and now check the app, which still just spits out 54 they actually have to go back and figure out where they went wrong themselves.

if you click on the 'show steps' icon, it shows the steps - doesnt just 'spit out' 54...
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Old 07-31-2017, 10:01 AM   #50
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When you wake up and pee in the toilet, assuming you hit the water, you have used algebra and got the correct answer. The angle of the dangle.
Actually, I believe this is called dead reckoning...as in, I reckon I'll be dead if my wife finds out I hit the rim (or worse).
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Old 07-31-2017, 10:24 AM   #51
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Try making a mistake on the 3rd card of several hundred and then have to start over from the 2nd card. Them cards ain't free.
Didn't you just pull card 3 out of the deck and insert a corrected one?

I did discover the value of the Dup key back when I punched cards in college before I finally got access to a line editor and then (gasp) a FULL SCREEN EDITOR! I know, right?
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Old 07-31-2017, 10:52 AM   #52
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Didn't you just pull card 3 out of the deck and insert a corrected one?

I did discover the value of the Dup key back when I punched cards in college before I finally got access to a line editor and then (gasp) a FULL SCREEN EDITOR! I know, right?
*WINNER*

I was a Mainframe Computer Operator back in the early 80's. Everything was punch cards back then for JCL (Job Control Language). We had a weekly process for each of our hospitals that would read in at least 2 boxes of cards depending on the size of the hospital. They were reused every week... every once in a while one would become unreadable due to use... pull it, re-punch it, insert it, and restart the process.

We finally converted to an online JCL editor... was sooooooo happy!

Heaven forbid if you dropped a box.
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Old 07-31-2017, 03:17 PM   #53
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Didn't you just pull card 3 out of the deck and insert a corrected one?

I did discover the value of the Dup key back when I punched cards in college before I finally got access to a line editor and then (gasp) a FULL SCREEN EDITOR! I know, right?
What if the error on the 3rd card caused the remaining cards to be off by one punch row?
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Old 07-31-2017, 03:30 PM   #54
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What if the error on the 3rd card caused the remaining cards to be off by one punch row?
Explain this to me. Is this something you actually keyed out on a keypunch machine?
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Old 11-23-2017, 08:27 AM   #55
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How about this riddle, given by our college tutor: What digit is the most frequent between the numbers 1 and 1,000 (inclusive)?
To solve this riddle you don't want to manually do all of the math but rather try to figure out a pattern.
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Old 11-23-2017, 11:17 AM   #56
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Zero beating out the one by one.

3rd edit: 0 & 1 tie
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