- Humidification loads
This online calculator answers question "how to choose" humidifier, by calculating humidification requirements given initial and target relative humidity and building parameters

- Kinematics. The Equations for Uniform Acceleration
This calculator will help you to solve uniform acceleration problems

- Kinematics. Throwing body up problem
Kinematics problem from the Svetozarov's book for MEPI matriculates

- Normal force
This online calculator calculates strength of the normal force from the mass of the object, the gravitational field strength and the angle of the inclined surface measured from the horizontal.

- Ohm's law
- Power into Torque and vise versa
This online calculator turns power into torque and vise versa

This calculator computes the buoyant force and weight of the liquid displaced, given the volume of body in water

- Pressure over a surface
This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure

- Projection
Calculation of unknown parameters of projection using known parameters. Parameters are duration, maximum height, distance, initial velocity and angle.

- Relative humidity to absolute humidity and vise versa calculators
First calculator converts relative humidity to absolute humidity for given temperature and barometric pressure. Second calculator converts absolute humidity to relative humidity for given temperature and barometric pressure

- Saturation vapour pressure
This online calculator computes saturation vapour pressure for given temperature and atmospheric (barometric) pressure

- Sound Speed in Gases
This online calculator computes speed of sound in an ideal gas.

- Surface tension. Weight and volume of the drop of liquid
This online calculator calculates the weight and the volume of the drop given the surface tension, diameter of the capillary tube, and density of the liquid

This online calculator computes Wind Chill Index using Wind Chill Formula from Environment Canada

- Temperature scales
Conversion between different temperature scales

- The waves and the wind. Calculation of wave characteristics
Calculation of wave characteristics

- The waves and the wind. Wave height statistical forecasting
Predicting the height of the waves depending on the wind strength

- Tips and tricks #5: How to show/hide input and output controls in a calculator
This article describes how to control visibility of input and output controls in a calculator

- Traveling Wave Relationship
The relationship of the wave frequency, wavelength and propagation velocity.

- Volume of body given the buoyant force
This calculator computes the volume of body given the buoyant force and density of the body, assuming that the buoyant force equals gravity force.

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