Okay, I'm nearly 50 years old, a computer nerd my whole life, and I finally understand how slide rules work thanks to your video. And you didn't even (really much) show a slide rule.
@the8ctagon2 жыл бұрын
OK, I think I've just realised why KZbin just started recommending Chris Staecker's channel to me. A tip of the hat to you, Robin! This is an example of the algorithm working well: I'm bingeing everything here.
@RVM4512 жыл бұрын
Okay. Le't's end the discussion n good terms-as much as can be. It just itrritates me that 3% of the people can force the other 97% to change their Terminology-and the vast Majority of that 3% have no horse in the race-they are just agitating. Apparently, sheer obstinance has disappeared from the world. I remember going to school in the 60's and the teachers told me not to use "Ain't" and I told them, "Who died and left you the boss of what words that I can use?" When PC Says, "This term is no longer acceptable"…see my responce to my elementary school teachers.
@MattMcIrvin Жыл бұрын
@@RVM451 It hurts me *way* less to avoid using a word that someone doesn't want to be called than it hurts them to hear it all the time every day. We're so far from a slippery slope where this becomes some kind of tyranny--it's really just basic politeness. It just takes a little getting used to when the rules change.
@PatrickPease2 жыл бұрын
this channel has done more to give me a good intuition of these maths than a lifetime of bookwork
@t0k4m4k72 жыл бұрын
Fizzy humor, short simple yet entertaining videos... The algorithm will soon make this channel blow up, mark my words
@chrisbell18782 жыл бұрын
I love your tags, Chris: "The calculator is YOU!"
@OscarFerro2 ай бұрын
This wasn't even invented by Leishman, this is a Gunter's Line and was invented by Edmund Gunter in the 17th century. We've got one at our local astronomy club, it's a long wooden ruler, intended to be used with the same drypoint compass that accompanied the sector. You take the measure of the distance between the 10 and the first number, place one of the compass legs on the second number and the other leg points to the product. Used that way it was almost as convenient as a sliderule, and it could be made much longer, accurate and cheaper.
@RossMarsden2 жыл бұрын
About your last reveal, I am reminded of "if a service is free, you are the product".
@RustyCarnahan5 жыл бұрын
I had something like this in gradeschool. There were two pieces of card stock pinned together, with a window slot cut in both sides, with a fixed scale on them. One side was for smaller numbers, the other side for larger. Between the two pieces of card stock was another piece, slightly longer, that slid back and forth. The principle of operation was the exact same as where you had the two "marmites" side by side. I wonder if I still have it?
@MattMcIrvin Жыл бұрын
When I was a kid my father gave me a metric-conversion slide chart he'd gotten as a premium from Computerworld magazine--it was a cardboard slider in a frame like that and it had two sides. One side was a big sliding table with windows exposing the numbers on it, but the other side was the one that fascinated me: it had a logarithmic scale with various marks on the frame labeled with different units. Basically just a multiplying slide rule with the marks calling out fixed ratios.
@samisiddiqi54114 жыл бұрын
Lol it was this video that made me understand slide rules. You explained the damn thing in not even ten seconds!!
@waynerogers83336 жыл бұрын
Very interesting video. Still have my slide rule from college (graduated in 1970) and hope to interest my grandson in math and engineering at an early age. This would be an good followup to the Napiers Bones calculator that I'm making for him. Tried to download the Midget Calculator but nothing downloaded. Is the image still available?
@ChrisStaecker6 жыл бұрын
Thanks for telling me! There was a problem on my server but I think I just fixed it. Try again-
@waynerogers83336 жыл бұрын
Worked perfectly. Thanks
@johncartwright40412 жыл бұрын
In 1966,when I was in year 11, I took my father's sliderule to school and got into trouble for using high tech in maths. I had to go back to using log tables!
@samuelwaller49242 жыл бұрын
I never knew a video about slide rules and log scales could have so many jokes packed in lol. That marmite bit is genius
@birdy3692 жыл бұрын
Just found your channel, immediately looked for a slide rule video lol. I never used one but hope to own one soon. I can't wait to watch all of your different kinds of calculator videos and hope to see more soon! Subscribed!
@RAkers-tu1ey2 жыл бұрын
The great thing about this device is that one can place it inside a book. I have several "field guides" filled with various facts and formulas to be used in "backpacking" types of scenarios where there may be no power, cell service, etc., and the resulting estimate is close enough.
@1zaj342 жыл бұрын
I just recently found your videos and now I'm enjoying them one by one. Love your presentation! 😀 Just one little quirk with this one: 01:45 Karloff did not play Frankenstein. He played the monster.
@rogerrabbit802 жыл бұрын
So many people don't realize that the name was "Frankenstein's Monster", and that "Frankenstein" was the Baron.
@MattMcIrvin Жыл бұрын
@@rogerrabbit80 Well, Frankenstein had more claim to be the monster's parent than anyone else (in fact that was the whole root of the trouble in the novel, that he was about the worst dad imaginable--if he'd given the creature some love and support everything might have been fine). So there's a good argument that the monster's last name is Frankenstein.
@someonestolemyname2 жыл бұрын
3:35 It took a while for me to realize what happened here. 2 minuses make a plus log(39) - (log(100) - log(52)) = log(39) + log(52) - log(100) = log(20.28)
@txikitofandango2 жыл бұрын
Impressive how you explained this machine without the words slide rule or logarithm... oh darn, so close
@RalphReagan2 жыл бұрын
Have you seen a round slide rule? Loved mine
@ChrisStaecker2 жыл бұрын
I have some- future video!
@johncartwright40412 жыл бұрын
I assume you're talking about a spiral / cylinderical sliderule. I had to use one in my first job in 1969.
@RalphReagan2 жыл бұрын
@@ChrisStaecker cool
@RalphReagan2 жыл бұрын
@@johncartwright4041 mine was a disk
@KeithOlson2 жыл бұрын
"Wait, *We're* the calculator?" "Always were."
@stuffoflardohfortheloveof2 жыл бұрын
Well, well…..that was fascinating and, now you’ve explained it, it makes complete sense, especially now you’ve shown me the basis of the slide rule as this was always something I meant to look up but, up to now, kept forgetting to do. Ta for posting. 👍🙂🏴
@manuelgolindanob.5381 Жыл бұрын
Hey does exist a slide rule or a do-it-yourself ruler to make additions and divisions?
@ChrisStaecker Жыл бұрын
An ordinary slide rule can do division, but not really addition. There was a slide rule by Faber-Castell with an addiator on the back side. The addiator is great for addition.
@ricsanders692 жыл бұрын
This is just a one-sided slide-rule...used the law of logs as in: Log(xy) = Log(x)+Log(y) I have several slide-rules...I'm gonna have to print out one of these!
@LuciferTJ2 жыл бұрын
He played Frankenstein's Monster. Frankenstein was the doctor. Not the monster.
@Maazin52 жыл бұрын
The text that says "The Midget/Marmite Calculator" is actually the vocative case, not nominative 🤯
@ChrisStaecker2 жыл бұрын
I don't get it... are you reading auto-translated subtitles into a cased language?
@Maazin52 жыл бұрын
@@ChrisStaecker No I'm just making a joke that the ruler is calling you "The Marmite Calculator" and not the other way around.
@joewoodchuck38242 жыл бұрын
The "wierd" scales are logarithmic, and logarithms are the basis for any normal slide rule. I actually collect them.
@ChrisStaecker2 жыл бұрын
4:00
@tiberiu_nicolae2 жыл бұрын
Imagine trying to teach maths to this guy. I bet you felt smart
@whiskeyvictor57032 жыл бұрын
If you take 11 times a number ending in 5 (we'll call that n5), all you have to do is add n plus 5 and insert the answer between n and 5. E.g. 11*25=275, 11*35=385, etc.
@redpepper742 жыл бұрын
That’s not actually exclusive to 5, it’ll work with any digit. Just remember to carry the 1 for sums larger than 9. (This happens because n*11 is the same as n*10 + n*1)
@manuelgolindanob.5381 Жыл бұрын
Is it possible to use this device to divide two numbers?
@ChrisStaecker Жыл бұрын
Yes- you basically do things backwards. To do like 8/4=2, I would put markings on the paper at 8 and 4, then slide the ruler so that 1 is at your leftmost marking (where the 4 was). Now the other mark should sit at the answer of 2.
@lotgc2 жыл бұрын
Woah, this was made in Ogden, Utah? I basically live there!
@ChrisStaecker2 жыл бұрын
Nice- keep your eyes open at the Goodwill!
@lotgc2 жыл бұрын
@@ChrisStaecker we don't really have goodwills here, but we do have the DI!
@rogerrabbit802 жыл бұрын
@@lotgc And for those not familiar, I believe he's referring to "Deseret Industries", similar to Goodwill, but run by the LDS Church, aka Mormons, if that's not offensive to someone. I live in Las Vegas, where we have both.
@hatednyc2 жыл бұрын
It’s called the Vegamite Calculator in Australia. (If you’re trying to be PC about it, anyway 🤣)
@MirlitronOne2 жыл бұрын
So it's half a slide rule.
@nateums2 жыл бұрын
Such a cool way to look at multiplication
@stephanberger34762 жыл бұрын
I thought Boris played Frankenstein's monster, though.
@gustavgnoettgen2 жыл бұрын
I guess "Marmite" is the name of some mathematician or something? Or is it really just "hey look it's hideously small"?
@MarcFresko2 жыл бұрын
NO!!! Marmite is a very salty (actually, even saltier than very) sandwich spread. Made from a yeast extract. Incredibly strong and distinctive taste. Some people love it, some hate it.
@gustavgnoettgen2 жыл бұрын
@@MarcFresko I heard about it and I'm curious, but it's hard to get in Germany for a responsible amount of money. And when I find some then Vegimite wich, as I understand, isn't the same.
@naajohnnorthcott82672 жыл бұрын
Actually, it's French for "stew pot" and is being used as a replacement for the dreaded "m" word. How silly can you get? Am I allowed to use "silly" or will that upset silly people?
@gustavgnoettgen2 жыл бұрын
@@naajohnnorthcott8267 I don't speak French, but I also don't know what you mean by the rest.
@naajohnnorthcott82672 жыл бұрын
@@gustavgnoettgen It's actually a "midget" calculator but the video maker was afraid of upsetting small people so he substituted "marmite". I was commenting on the substitution.
@pablorepetto78042 жыл бұрын
I guess the true calculator was inside us all along.
@beebs42832 жыл бұрын
oh god why did they name it after a **slur**? what is wrong with them?
@andrewpinedo18835 ай бұрын
'Cause it was small.
@jaytc32182 жыл бұрын
It’s basically the C or D scale from a slide rule (yep, I’m one of the few people on the planet with a slide rule). Rather than make marks on paper, Leischman would have been better off leaving the slide rule intact so the user could move the hair line over the other number. But hey, whatever got the job done!
@ChrisStaecker2 жыл бұрын
This is far easier and cheaper to make than a slide rule- that’s the point really.
@MattMcIrvin Жыл бұрын
The immediate ancestor of the slide rule was a non-sliding rule with a logarithmic scale called Gunter's line, which you were supposed to use with dividers to transfer the intervals from one place to another. This thing is a revival of Gunter's line. Various museum sites have others though, which suggests to me that "Gunter rules" were fairly common in the 19th century as cheaper alternatives to a slide rule.
@jaytc3218 Жыл бұрын
@@MattMcIrvin interesting! It’s fascinating to see how the log scale developed over time - each successive person building a “better mousetrap” so to speak.
@NoNameAtAll22 жыл бұрын
so it's a slide rule?
@steveb22742 жыл бұрын
Looks like a different kind of Sliderule (which was used long before computers) to me!
@ChrisStaecker2 жыл бұрын
5:10
@stephenperretti88472 жыл бұрын
Have you ever investigated how to do arithmetic in Roman Numerals? Very easy. Try it.
@ChrisStaecker2 жыл бұрын
I tried it once here at 2:38 : kzbin.info/www/bejne/labFc3R3nLGcpc0
@bob-ny6kn2 жыл бұрын
This could be adhered to wall, for public use.
@farpointgamingdirect2 жыл бұрын
Feelings do not compute; we cant go changing every little thing that may piss someone off; history is history: leave it alone
@ChrisStaecker2 жыл бұрын
Leave what alone?
@EmotionalParaquat714神离天 Жыл бұрын
@@ChrisStaeckerhe means leave the name alone
@EmotionalParaquat714神离天 Жыл бұрын
Also to you it does compute
@jack002tuber9 ай бұрын
You can't go into the origins of the sliderule without mentioning Napier's bones.
@ChrisStaecker9 ай бұрын
Napier's bones has nothing to do with the origins of the sliderule.
@jack002tuber9 ай бұрын
@@ChrisStaecker LOL. Sure
@ChrisStaecker9 ай бұрын
@@jack002tuber Here is the entire connection as far as I'm aware: Napier invented Napier's bones (which have nothing to do with logarithms). Napier also invented the logarithm (which has nothing to do with Napier's bones), and the logarithm eventually led to somebody else inventing the slide rule. There is no mathematical relationship between the two devices- the only possible relation is an accidental historic one because they are both associated with Napier. Am I missing something?
@ソケセテ2 жыл бұрын
対数目盛りの 計算尺 a logarithmic slide rule
@johneygd4 жыл бұрын
Yes indeed, the medget calculator is not a calculator, you, your brain is a calculator, the medget meter only could give approximation about what the ansure could,ve be, considerthis more as a clue meter.
@RatRatRattyRatRat2 жыл бұрын
This is magic. Can't convince me otherwise.
@RatRatRattyRatRat2 жыл бұрын
Wonder if they got longer ones. Like, 10 to 1000.
@ChrisStaecker2 жыл бұрын
As far as I know this was the only version of this thing. Anyone who’s really serious about using a device like this should just get a real slide rule, so there’s not much point in making a “deluxe” version.
@rodume53902 жыл бұрын
I was hoping this device actually calculated little people. Oh, well.
@christopherellis26632 жыл бұрын
Marmite is a cooking pot.
@snixal2 жыл бұрын
I laughed out loud when leishmans pic came up
@meatykyun59812 жыл бұрын
me thinking this was one april fools joke frome the thumnail...nope was not. i am very amzed this exists.
@starga-fr7qx2 жыл бұрын
Midgets were way smaller in the 1916 days
@christopherellis26632 жыл бұрын
Astronomical Calculator used to be a profession.
@mander91752 жыл бұрын
Well, this isn't what I expected.......
@mikeadler4342 жыл бұрын
👍👍
@mikusoxlongius2 жыл бұрын
Some women were calculators during WW2.
@edpaleosapien78322 жыл бұрын
I had the midget pocket calculator.
@scorp10fl532 жыл бұрын
You didn't have a great idea. It already existed....as a slide rule.
@RVM4512 жыл бұрын
You lost me when you went PC!
@ChrisStaecker2 жыл бұрын
I teach respect
@RVM4512 жыл бұрын
@@ChrisStaecker Accepting the Modern Wave of PC SJW Terminology is disrespecting all the people who went before and used the Earlier Terminology. When you use terms Like: "Little People" and "Native American" you SPIT in the Face of many Generations of people who said, "Midget"; "Dwarf" and "Indian" -and none of those people were ill-intentioned people who meant harm. The American Language has become HOSTAGE to any group of Activists who can foment dissatisfaction-and almost always, it is a very small and highly vocal minority that is offended.I am opposed to altering terminology FOR ANY REASON. It is LESS OFFENSIVE to use OFFENSIVE TERMINOLOGY (IF it is indeed Offensive) than it is to ALTER TERMINOLOGY. THAT is the ULTIMATE OFFENCE so far as I'm concerned. And People who are willing to meekly change their terminology are WICKED AND EVIL. The only way to fight the rot of the American Language is to be mule-stuborn, dig in both heels and refuse to be budged. Change MAY be inevitable, but that doesn't absolve anyone of the responsibility to RESIST CHANGE.
@andrewpinedo18835 ай бұрын
@@RVM451Bro wrote a whole essay to defend the use of the word 'midget'.
@davidpalmer71752 жыл бұрын
Really now, "MIDGET" just means "SMALL"... Get over yourself for Christ sake!
@ChrisStaecker2 жыл бұрын
Ask a little person how they feel about it- No skin off my back to be respectful.
@SharpObserver1A2 жыл бұрын
Disgusting voice sustainment, goes from clear to mumbling a lot.