Types of Users:

There are two categories of users in this app, the public users and the private users. Everyone who downloads and activates this app is a public user and automatically has access to this app.

A public user can install this app from play store for $1.99 only for a life time.

The App has the following functionalities.

Units Conversion: It converts number from one unit to another unit, example degree Celsius to Kelvin, Kilogram to gram, Inches to Feet, Kilometer to Meter etc.

BMI Calculator: Users can use the app to check their Body Mass Index BMI to stay healthy always.

Polygon: It calculates the sum of interior angles, each interior angle, each exterior angle and sum of exterior angles of any regular polygon.

Pythagoras: It checks if 3 numbers are Pythagoras Triples. When you enter any two of these: hypotenus, opposite and adjacent. You should get a whole number value to check for Pythagoras triples.

Percentage: It calculates the required percentage of any given amount. For example 25% of $5 000 000 is $1 250 000.

Percentage Error: It calculates percentage error using actual value and measured value.

Arithmetic Progression(AP): It calculates the nth term of an AP.

Geometric Progression(GP): It calculates the nth term of a GP.

Parallelogram: It calculates the area of a Parallelogram.

Simple Interest: It calculates simple interest given the principal, rate and time.

Sphere: It calculates the area and volume of a sphere.

Square: It calculates the area and perimeter of a square.

Rectangle: It calculates the area and perimeter of a rectangle.

Hemisphere: It calculates the curved surface area, total surface area and volume of a hemisphere.

Cylinder: It calculates the curved surface area, total surface area and volume of a cylinder.

Cube: It calculates the area and volume of a cube.

Cuboid: It calculates the area and volume of a cuboid.

Quadratic Formula: It calculates the roots of quadratic equations.

Triangular Based Pyramid: It calculates the base area and volume of a triangular based pyramid.

Square Based Pyramid: It calculates the base area and volume of a square based pyramid.

Rectangular Based Pyramid: It calculates the base area and volume of a rectangular based pyramid.

Triangular Based Prism: It calculates the base area and volume of a triangular based prism.

Area of a Trapezium: It calculates the area of a trapezium.

Area of a Triangle: It calculates the area of a triangle given 3 sides or 2 sides or an angle and 2 sides.

Area of a circle: It calculates area and circumference of a circle.

Rhombus: It calculates the area of a rhombus.

Length of an Arc: It calculates the length of an arc of a circle.

Cone: It calculates the curved surface area, total surface area and volume of a cone.

Sector of a Circle: It calculates the area and perimeter of a sector of a circle.

Segment of a Circle: It calculates the area and perimeter of a segment of a circle.

Gradient of a Line: It calculates the gradient, distance between 2 points, mid-point of x and y respectively.

Numbers Bases: It converts number in base ten (denary) to binary, octal and hexadecimal.