## Tags » Elementary Math

#### 函数概念并不难，理解“函”字是关键——函数概念如何理解】

The unique 1 single output of a function becomes very important for subsequent development in Math & IT: 123 more words

Elementary Math

#### Learn Calculus With These Four Online Courses

https://lifehacker.com/learn-calculus-with-these-four-online-courses-1836377912/amp

Four Online Free Calculus Courses:
1. http://www-math.mit.edu/~djk/calculus_beginners/

2. “Calculus Made Easy” (1910 )

3. “Essence of Calculus” (12 short videos, with Chinese subtitle) 11 more words

Modern Math

#### RSA Encryption - Number Theory

Background knowledge:

1. Group

2. Cardinality : Euler Totient Function

Note:

A linguistic remark: The Latin word “totiens” (or “toties”) means “that/so many times”.

Modern Math

#### What happens in Vegas, should NOT stay in Vegas!

The saying usually goes, “What happens in Vegas, stays in Vegas!” but we don’t think that’s appropriate next  week at SDE’s National Conference in Las Vegas. 490 more words

Elementary Math

#### Viral Chinese 2019 Gaokao Question

Gaokao 高考 ＝ Baccalaureate = Cambridge GCE A-Level

Hint:

f(x+1) = 2f(x)
tells the height = f(x) double when x moves to x + 1… 28 more words

Elementary Math

Elementary Math