User:RedExplosiveswiki

RedExplosives
Info:
Joined	January 5, 2016

Costa Rica# My Python Code

List of Contributions

https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes Add a block of python code
https://en.wikipedia.org/wiki/Quantum_mechanics I change a typo, which was "led to its becoming the standard" to "led to it becoming the standard"
https://en.wikipedia.org/wiki/Sigma Added an example of the summation operator
User:RedExplosiveswiki/sandbox

My Python Code

Placeholder

print("This is just a placeholder.")

Remember

Remember is a place I put random stuff that I find interesting in case I forget about it or some thing I would like research more in depth later.

$\sum _{n=0}^{\infty }2^{n}=-1$ .

$5!=1\times 2\times 3\times 4\times 5=120$

$\Pi =3.14159265358979$ I'm working on memorizing 25 digits of π

$\lfloor 1.4\rfloor =1$ The floor and ceiling functions give us the nearest integer up or down.

$\lceil 1.4\rceil =2$ The floor and ceiling functions give us the nearest integer up or down.

21, 4, 0, and −2048 are integers, while 9.75, 5 ¹⁄₂, and √2 are not.

ℕ or N means either { 0, 1, 2, 3, ...} or { 1, 2, 3, ...}.

he choice depends on the area of mathematics being studied; e.g. number theorists prefer the latter; analysts, set theorists and computer scientists prefer the former. To avoid confusion, always check an author's definition of N.

ℤ or ℤ means {..., −3, −2, −1, 0, 1, 2, 3, ...}.

ℤ⁺ or ℤ^> means {1, 2, 3, ...} .

ℤ^* or ℤ^≥ means {0, 1, 2, 3, ...} .

x ≤ y means x is less than or equal to y.

x ≥ y means x is greater than or equal to y.

(The forms <= and >= are generally used in programming languages, where ease of typing and use of ASCII text is preferred.)

${\frac {1}{3}}+{\frac {1}{3}}+{\frac {1}{3}}=1$

Featured Picture / Article Of The Day

Picture of the day

Eastern grey kangaroo

Photograph credit: Charles J. Sharp

De Kuip, venue of the 2015 KNVB Cup final

The 2015 KNVB Cup final was an association football match between PEC Zwolle and FC Groningen for the 97th KNVB Cup final, the Dutch Cup competition, played on 3 May 2015 at De Kuip in Rotterdam. PEC, the defending champions after their 5–1 victory over Ajax the previous year, were appearing in their fourth final. Groningen had reached the final once before, losing to PSV Eindhoven in 1989. PEC and Groningen entered the competition in the second round and progressed through five rounds to reach the final. Groningen scored 22 goals en route, the most of any team during the qualifying rounds. In front of more than 46,000 spectators, the first half ended goalless. The Slovak Albert Rusnák scored twice halfway through the second half, leading Groningen to a 2–0 victory and their first major honour. By winning the KNVB Cup, Groningen qualified for the 2015 Johan Cruyff Shield and the 2015–16 UEFA Europa League group stage. (Full article...)

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