Geometry Example
major-axis
center
minor-axis
latus rectum
directrix
-a
a
b
-b
F1
C
P
L
R
F2
M
N
Q
S
Ellipse »
Plane Geometry Example
r
O
P
a
a
a
a
A
B
C
D
θ
θ
φ
φ
Area of Rhombus ABCD = 2ar

Area of Rhombus »
PLANE GEOMETRY
Properties and interrelationship of two dimensional shapes like points, lines, surfaces.

LEARN PLANE GEOMETRY
PLANE GEOMETRY
Properties and interrelationship of two dimensional shapes like points, lines, surfaces.

LEARN PLANE GEOMETRY
Plane Geometry Example
r
O
P
a
a
a
a
A
B
C
D
θ
θ
φ
φ
Area of Rhombus ABCD = 2ar

Area of Rhombus »
SOLID GEOMETRY
Properites of 3-dimensional objects and their relative position.

LEARN SOLID GEOMETRY
Algebra Example
x
y
x
y
x²
xy
xy
y²
(x+y)^{2} = x^{2} + 2xy + y^{2}

ALGEBRA
The mother of all scientific calculations

ALGEBRA
The mother of all scientific calculations

Algebra Example
x
y
x
y
x²
xy
xy
y²
(x+y)^{2} = x^{2} + 2xy + y^{2}

TRIGONOMETRY
The modern usage of ratios in terms of sides and angles

Trigonometry Example
If a, b, c are the sides of △ABC,
Area = 1 2 absinC = 1 2 bcsinA = 1 2 casinB

Arithmetic Example
0 1
0 1 2 3 4 5 6 7
A B C D E F
0 1 2 3 4 5 6 7 8 9
০ ১
০ ১ ২ ৩ ৪ ৫ ৬ ৭
০ ১ ২ ৩ ৪ ৫ ৬ ৭ ৮ ৯
binary digit
octal digit
hexadecimal digit
ARITHMETIC
The basic calculations of nonnegative numbers for daily life

ARITHMETIC
The basic calculations of nonnegative numbers for daily life

Arithmetic Example
0 1
0 1 2 3 4 5 6 7
A B C D E F
0 1 2 3 4 5 6 7 8 9
০ ১
০ ১ ২ ৩ ৪ ৫ ৬ ৭
০ ১ ২ ৩ ৪ ৫ ৬ ৭ ৮ ৯
binary digit
octal digit
hexadecimal digit
STATISTICS

The collection and interpretation of well-organized data
ARTICLE

A piece of analytical writing on a fixed topic
ARTICLE
ESSAY

Writing on a fixed topic comprising of several paragraphs
ESSAY
PARAGRAPH

A brief explanation on a topic consists of several lines
PARAGRAPH
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