G A M E

Game of guessing the correct number, No.1

BlackJack

Bingo

How to make sure if your calculation is correct

Game of guessing the correct number, No.2

Unicursal figure

Composing with probability

Useful knowledge

Sum from 1 to 100

Mental calculation technique

Quick Table of Multiples

Why does leap year exist?

Forming an equilateral pentagon only using a ruler and a compass

Mystery of "(-1)x(-1)=1"

Pythagorean theorem

Square Number

It could be the world's oldest relation between the sum and product of trigonometric function.

Addition, subtraction, multiplication, and division of algebraic equations

Immediate quadratic equation

Invitation to the mathematics in the university

Introduction

Infinity

(epsilon-delta) technique

Type of differential and integral calculus

General solution of algebra equation and abstract mathematics

Two-dimension, three-dimension and infinite dimension

Proving that e is a surd

Mathematical knowledge used in programming

Table handling

Addition with numbers of 1000 digits

Total(1997)  Today  Yesterday

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