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What is programming
Compilers & interpreters
Python interactive mode
Python variables & expressions
Python arithmetic operators
Python comparison operators
Python logical operators
Python identity and membership operators
Python assignment operators
Python operator precedence
Python lists
Python list slicing
Python list methods
Python tuples
Python sets
Python set methods
Python dictionaries
Python strings
Python string methods

Basics
Exposure Triangle
ISO
Depth of field
Focal Length
Sensor and Crop-factor
Magnification
Exposure Simulation

Displacement
Velocity
Acceleration

Linear Pair of Angles
Triangle with sum of two sides

Tic Tac Toe

Coding ▼

What is programming Compilers & interpreters Python interactive mode Python variables & expressions Python arithmetic operators Python comparison operators Python logical operators Python identity and membership operators Python assignment operators Python operator precedence Python lists Python list slicing Python list methods Python tuples Python sets Python set methods Python dictionaries Python strings Python string methods

Photography ▼

Basics Exposure Triangle

Aperture ▼

Effect on Exposure Effect on Depth-of-field Diffraction & Starburst

Shutter-speed ▼

Effect on Exposure Effect on Motion Shutter mechanism

ISO Depth of field Focal Length Sensor and Crop-factor Magnification Exposure Simulation

Physics ▼

Displacement Velocity Acceleration

Spherical mirrors ▼

Components Reflection Rules Image Formation

Geometry ▼

Linear Pair of Angles Triangle with sum of two sides

Triangles ▼

Centroid of a triangle Orthocenter of a triangle Circumcenter of a triangle Incenter of a triangle Congruency of triangles Congruency of triangles: Is SSA a valid criteria? Basic proportionality theorem Triangle calculator

Coordinate Geometry ▼

Class X Ex-7.1 Class X Ex-7.2 Class X Ex-7.3 Class X Ex-7.4

Misc. ▼

Tic Tac Toe

Triangle Calculator

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Triangle Calculator

Enter three fields (angle & side values):
say Side-Side-Side,
or Side-Angle-Side,
or Angle-Side-Angle,
or Angle-Angle-Side

∠C =

b =

a =

∠A =

∠B =

c =

a = side BC, b = side CA, c = side AB

Labels Properties

Medians Altitudes

Perpendicular bisectors Angle bisectors

Centroid Orthocenter

Circumcenter Incenter

Circumcircle Incircle

Circumradii Inradii

Euler's Line

--- x ---

⇐ Basic proportionality theorem Centroid of a triangle ⇒

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⯈ Python IDLE window

Learn how to enter Python instructions using the IDLE Window

⯈ Python variables

Python variables are pointers to objects. View how python variables work internally.

⯈ Python Arithmatic Operators

Python arithmatic operators are used for simple to complex calculations...

⯈ Python Comparison Operators

Python has 6 comparison operators which are also known as relational operators...

⯈ Python Logical Operators

Python has logical operators like "and", "or", "not" ...

⯈ Python Augmented Assignment Operators

Python has augmented assignment operators like x += 1 ...

⯈ Python Operator Precedence

Every operator in python is given a precedence ...