History of math/E
Which is an alternative notation for loge?
a) logeuler
b) lnlog
c) lne
d) ln
ln
What are the uses of E in Finance?
a) MonEE
b) Compound Interest
c) Return Rate
Compound Interest
What is Euler’s Identity?
ei * (pi)+1=0
How many times can you subtract the number 5 from 25?
Once, because after you subtract it's not 25 anymore.
How can you add eight 8's to get the number 1,000? (only use addition).
888 + 88 + 8 + 8 + 8 = 1000
What number does “e” stand for (answer to 3 significant figures)?
a) 2.73
b) 3.14
c) 2.72
d) 2.30
2.72
In what field of physics is e used in?
a) Statistical mechanics
b) friction
c) orbital mechanics
Statistical Mechanics
If you graph the equation y=ex, then what is the area up to any x-value?
ex
I am four times as old as my daughter. In 20 years' time I shall be twice as old as her. How old are we now?
I am 40 and my daughter is 10.
Solve the following:
6 / 2(1+2) =
(division symbol not a fraction)
9
True or false: e (2.72) is known as Euler’s constant
False! It is known as Euler’s number. Euler’s constant is a mathematical constant recurring in analysis and number theory, usually denoted by the lowercase Greek letter gamma (γ). It represents the floor function.
Which field is e used in?
a) History
b) English
c) Game Theory
Game Theory
e is known as a transcendental number. What does that mean?
A non-algebraic number.
How do you make 7 even with addition, subtraction, division and multiplication?
Drop the “S”
What is ½ + ¼ + ⅛ + 1/16 + … ?
1
True or false: pi started being used before e
True! pi started being used in the early 1700s while “e” was firstly used as “e” in the 1730s.
What math concept uses E?
a) Imaginary numbers
b) Area
c) surface area
Imaginary Numbers
The numerical value of e can be expressed in the following series: 1 + 1/1! + 1/2! + 1/3! + ... What is the name of this series?
a) Arithmetic
b) Taylor
c) Fourier
d) Fibonacci
Taylor
It takes 5 toy-makers 5 minutes to make 5 toys. How long would it take for 100 toy-makers to make 100 toys?
5 minutes
If the cost of a bat and a baseball combined is $1.10 and the bat costs $1.00 more than the ball, how much is the ball?
$0.05
When mathematicians first used what we know as e, how did they represent it?
a) Through the word “Euler”
b) Through the symbol “ñ”
c) Through the constant “b”
d) Through the number “2.72” with an ellipsis (...) after it
Gottfried Leibniz cited the as the constant “b” in a correspondence to o Christiaan Huygens in 1690 and 1691. “e” was not referred to as “e” until the 1730s.
What math concept uses E?
a) Laplace transformation
b) Fractional theory
c) Complex analysis
Laplace transformation
The formal definition of the Euler's constant is given by the difference between a series (1/1 + 1/2 + 1/3 + ...+ 1/n) and the natural logarithm as n approaches infinity. What is the name of the series?
a) Harmonic
b) Telescoping
c) Geometric
d) Alternating
Harmonic
Two Fathers and Two Sons Riddle: Two fathers and two sons sat down to eat eggs for breakfast. They ate exactly three eggs, each person had an egg. The riddle is for you to explain how.
There is 1 grandfather, 1 father, 1 son and they each ate 1 egg.
Whats 1 + 1?
Window