# App Features
This section shows briefly all the features of the Open Channel Hydraulics Flow app including those for next version releases.
# Uniform-Steady Flow
The following are modules for calculating uniform steady flow for various open channels.
# 1. Rectangular Channel
Rectangular channel deals with open channel with the sides positioned vertically.
# 2. Trapezoidal Channel
Trapezoidal channel deals with open channels with sides having an angle with the horizontal or vertical. The tangent of the angle is called here as side slope.
# 3. Circular Channel
Circular channel delas with circular sections. For a circular channel to be open channel, it's water depth shall be less than the dismeter of the channel (pipe).
# 4. Natural Channel (Not yet implemented)
Inputs →