A mathematician organizes a raffle in which the prize is an infinite amount of money paid over an infinite amount of time. Of course, with the promise of such a prize, his tickets sell like hot cake.
When the winning ticket is drawn, and the jubilant winner comes to claim his prize, the mathematician explains the mode of payment: "1 dollar now, 1/2 dollar next week, 1/3 dollar the week after that..."
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Q: What does the Ph.D. in math with a job say to the Ph.D. in math without a job?
A: `Paper or plastic?'
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When Noah's ark had finally come to a rest on top of mount Ararat, and when the waters had receded, Noah and his family - along with all the animals - left the ark, and God told them to be fruitful and multiply upon the earth.
But after all those months under deck on an overcrowded ark, none of the animals was in the mood for sex anymore.
Noah, who knew all too well what God could do in his wrath if his creatures were disobedient, got desperate.
So, he tore down one of the ark's masts, cut it into pieces, and built a table out of the logs. Then he told one of the snakes to perform a lascivious dance on top of the table and made all the other animals gather around it. After a while the snake's seductive moves showed an effect: One animal after the other started rocking in the rhythm of the snake's dance, and one after the other sneaked off with its mate to more private places... Finally, the dancing snake and her mate were all alone, and they too disappeared.
And Noah was pleased that God's will would be heeded.
Q: What does this story from the book of Genesis teach us about math?
A: When you have to multiply, all you need are a log table and an adder!
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Q: How do you make one burn?
A: Differentiate a log fire!
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A math professor is talking to her little brother who just started his first year of graduate school in mathematics.
"What's your favorite thing about mathematics?" the brother wants to know.
"Knot theory."
"Yeah, me neither."
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Q: How do you call the largest accumulation point of poles?
A: Warsaw!
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A visitor at the Royal Tyrell Museum asks a museum employee: "Can you tell me how old the skeleton of that T-Rex is?"
"It is precisely 60 million and three years, two months, and eighteen days old."
"How can you know that with such precision?!"
"Well, when I started working here, one of the scientists told me that the skeleton was 60 million years old - and that was precisely three years, two months, and eighteen days ago..."
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The math professor's six-year-old son knocks at the door of his father's study.
"Daddy", he says. "I need help with a math problem I couldn't do at school."
"Sure", the father says and smiles. "Just tell me what's bothering you."
"Well, it's a really hard problem: There are four ducks swimming in a pond, when two more ducks come and join them. How many ducks are now swimming in the pond?"
The professor stares at his son with disbelief: "You couldn't do that?! All you need to know is that 4 + 2 = 6!"
"Do you think, I'm stupid?! Of course, I know that 4 + 2 = 6. But what does this have to do with ducks!?"
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"What is Pi?"
A mathematician: "Pi is the ratio of the circumference of a circle to its diameter."
A computer programmer: "Pi is 3.141592653589 in double precision."
A physicist: "Pi is 3.14159 plus or minus 0.000005."
An engineer: "Pi is about 22/7."
A nutritionist: "Pie is a healthy and delicious dessert!"
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A mathematician and a stock broker go to the races to bet on horses. The broker suggests a bet of $10,000. That's too much for the mathematician's taste: First, he wants to understand the rules, have a look at the horses, etc.
"Don't worry", the broker says. "I know an empirical algorithm that allows me to find the number of the winning horse with absolute certainty."
This does not convince the mathematician.
"You are too theoretical!" the broker exclaims and puts his $10,000 on a horse.
The horse comes in first - making the broker even richer than he already is. The mathematician is baffled.
"What is your algorithm?" he wants to know.
"It's rather easy. I have two children, three and five years old. I add up their ages and bet on that number."
"But three plus five is eight - and that horse had number nine!"
"I told you that you're too theoretical! Didn't I just experimentally prove that my calculation is correct?!"
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Q: What is the first derivative of a cow?
A: Prime Rib!
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When the logician's little son refused again to eat his vegetables for dinner, the father threatened him: "If you don't eat your vegies, you won't get any ice-cream!"
The son, frightened at the prospect of not having his favorite dessert, quickly finished his vegetables.
What happened next?
After dinner, impressed that his son had eaten all his vegetables, the father sent his son to bed without any ice-cream...
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"Statistics shows that most people are abnormal!"
"How that?"
"According to statistics, a normal person has one breast and one testicle..."
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Four friends have been doing really well in their calculus class: they have been getting top grades for their homework and on the midterm. So, when it's time for the final, they decide not to study on the weekend before, but to drive to another friend's birthday party in another city - even though the exam is scheduled for Monday morning. As it happens, they drink too much at the party, and on Monday morning, they are all hung over and oversleep. When they finally arrive on campus, the exam is already over.
They go to the professor's office and offer him an explanation: "We went to our friend's birthday party, and when we were driving back home very early on Monday morning, we suddenly had a flat tire. We had no spare one, and since we were driving on backroads, it took hours until we got help."
The professor nods sympathetically and says: "I see that it was not your fault. I will allow you to make up for the missed exam tomorrow morning."
When they arrive early on Tuesday morning, the students are put by the professor in a large lecture hall and are seated so far apart from each other that, even if they tried, they had no chance to cheat. The exam booklets are already in place, and confidently, the students start writing.
The first question - five points out of one hundred - is a simple exercise in integration, and all four finish it within ten minutes.
When the first of them has completed the problem, he turns over the page of the exam booklet and reads on the next one:
Problem 2 (95 points out of 100): Which tire went flat?
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A stats professor plans to travel to a conference by plane. When he passes the security check, they discover a bomb in his carry-on-baggage. Of course, he is hauled off immediately for interrogation.
"I don't understand it!" the interrogating officer exclaims. "You're an accomplished professional, a caring family man, a pillar of your parish - and now you want to destroy that all by blowing up an airplane!"
"Sorry", the professor interrupts him. "I had never intended to blow up the plane."
"So, for what reason else did you try to bring a bomb on board?!"
"Let me explain. Statistics shows that the probability of a bomb being on an airplane is 1/1000. That's quite high if you think about it - so high that I wouldn't have any peace of mind on a flight."
"And what does this have to do with you bringing a bomb on board of a plane?"
"You see, since the probability of one bomb being on my plane is 1/1000, the chance that there are two bombs is 1/1000000. If I already bring one, the chance of another bomb being around is actually 1/1000000, and I am much safer..."
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At a press conference held at the White House, president George W. Bush accused mathematicians and computer scientists in the U.S. of misusing classroom authority to promote a Democratic agenda. "Every math or CS department offers an introduction to AlGore-ithms", the president complained. "But not a single one teaches GeorgeBush-ithms..."
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Q: How do you call a one-sided nudie bar?
A: A Möbius strip club.
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"Divide fourteen sugar cubes into three cups of coffee so that each cup has an odd number of sugar cubes in it."
"That's easy: one, one, and twelve."
"But twelve isn't odd!"
"It's an odd number of cubes to put in a cup of coffee..."
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Do you know that 87.166253% of all statistics claim a precision of results that is not justified by the method employed?
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Q: How can you tell that a mathematician is extroverted?
A: When talking to you, he looks at your shoes instead of at his.
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When the math professor's wife returns home from work, she finds an envelope on the living room table. She opens it and finds a letter from her husband:
My dearest wife,
We have been married for nearly thirty years, and I still love you as much as on the day I proposed. You must realize, however, that you are now 54 years old and no longer able to satisfy certain needs I still have. I very much hope that you are not hurt to learn that, while you're reading this, I'm in a hotel room with an 18-year-old freshman girl from my calculus class. I'll be home before midnight.
Your husband, who will never stop loving you.
When the professor returns from the hotel shortly before midnight, he also finds an envelope in the living room. He opens it and reads:
My beloved husband,
You may recall that you, too, are 54 years old and no longer able to satisfy certain needs I still have. I thus hope that you are not hurt to learn that, while you're reading this, I am in a hotel room with the 18-year-old pool boy.
Your loving wife.
P.S. As a mathematician, you are certainly aware of the fact that 18 goes into 54 many more times than 54 goes into 18. Therefore, don't stay up and wait for me.