Features:

1. Mathematics:
   1.1 Quadratic Equation
   1.2 Linear Algebra
   1.3 Statistics
   1.4 Permutation & Combination
   1.5 Sequence & Series

2. Geometry:

2.1 2D Shapes
2.1.1 Square
2.1.2 Rectangle
2.1.3 Triangle
2.1.4 Circle
2.1.5 Right Angle Triangle

2.2 3D Shapes
2.2.1 Cube
2.2.2 Cuboid
2.2.3 Pyramid
2.2.4 Sphere
2.2.5 Cylinder
2.2.4 Frustum
2.2.5 Cone

3. Engineering:
   3.1 Ohms Law
   3.2 Resistance
   3.3 Capacitance
   3.4 Speed, Time & Distance
   3.5 Displacement & Acceleration

4. Finance:
   1.1 Profit or Loss
   1.2 Loan(or EMI) Calculator
   1.3 GST Calculator