|
Fact |
Category |
Date |
|
1 |
Unlike in the real numbers and the complex numbers, multiplication in the quaternions is not commutative. |
Science > Math |
09/21/08 |
|
2 |
Trigonometry is the study of the measurement of triangles. |
Science > Math |
09/12/08 |
|
3 |
There are general formulas for solving polynomial equations of degree less than 5, using only addition, subtraction, multiplication, division, and root extraction, but no such formula exists for polynomials of degree 5 or higher. |
Science > Math |
10/31/08 |
|
4 |
The slope of a line is calculated using m=(y2-y1) / (x2-x1). |
Science > Math |
06/25/08 |
|
5 |
The one hundredth digit of pi after the decimal point is nine. |
Science > Math |
06/08/08 |
|
6 |
The natural logarithm is defined as a logarithm to base e. |
Science > Math |
05/24/08 |
|
7 |
The midpoint of a line is calculated with the equation M = (x1 + x2) /2, (y1 + y2) /2. |
Science > Math |
07/01/08 |
|
8 |
The Mayan number system is in base twenty. |
Science > Math |
12/06/09 |
|
9 |
The imaginary unit, commonly referred to as "i", is the square root of negative one. |
Science > Math |
02/06/09 |
|
10 |
The hypotenuse is the longest side in a right triangle. |
Science > Math |
05/20/08 |
|
11 |
The base of the vigesimal is 20. |
Science > Math |
08/06/08 |
|
12 |
The base of the quinary system is 5. |
Science > Math |
08/14/08 |
|
13 |
The base of the duodecimal system is 12. |
Science > Math |
01/31/09 |
|
14 |
The base of the decimal system is ten. |
Science > Math |
08/08/08 |
|
15 |
The base of the binary system is 2. |
Science > Math |
08/12/08 |
|
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