User:Letsbefiends/Math

List of topics I'm interested in, in some semblence of order. (note that a strictly heirachical listing is insufficient to show all relationships between topics, as some topics are before others. I've tried to keep the most basic concepts first.)

Number
- Zero
- One
- List of numbers
- Number line
- Real number
- Whole number
  - Natural number ( $\mathbb {N}$ )
  - Negative number
  - Integer ( $\mathbb {Z}$ )
- Rational number ( $\mathbb {Q}$ $\mathbb {Q}$ )
  - Fraction
  - Percentage
- Irrational number
- Decimal (see also Numeral system)
  - Radix point (or see Decimal mark)
  - Rounding
  - Significant figures
  - Arithmetic precision
  - Scientific notation
Arithmetic
Elementary algebra
Multiplicative inverse (or reciprocal)
Arithmetic progression
Geometric progression
Geometry
- Area
  - Perimeter
- Angle
- Point
- Coordinate geometry
  - Ordered pair
    - Origin
    - Abscissa
    - Ordinate
- Line
- Vertex
- Polygon
- A circle showing the chord, segment, radius, diameter and tangent.
  Circle
  - Circumference
  - Diameter
  - Centre
  - Radius
  - Chord
  - Secant line
  - Tangent
- Similarity
- Congruence
- Circumscribed circle
- Distance
- Euclidean geometry
Trigonometry
Calculus