This online calculator answers question "how to choose" humidifier, by calculating humidification requirements given initial and target relative humidity and building parameters
Kinematics problem from the Svetozarov's book for MEPI matriculates
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.
Petroleum product density conversion, according to GOST 3900-85
This calculator will help you to solve uniform acceleration problems
This online calculator turns power into torque and vise versa
Calculation of unknown parameters of projection using known parameters. Parameters are duration, maximum height, distance, initial velocity and angle.
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
This online calculator computes saturation vapour pressure for given temperature and atmospheric (barometric) pressure
This online calculator computes speed of sound in an ideal gas.
This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure
It calculates the circular orbital velocity, escape velocity and planetary system escape velocity for the given planet parameters.
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
Conversion between different temperature scales
This calculator computes the buoyant force and weight of the liquid displaced, given the volume of body in water
Calculation of wave characteristics
Predicting the height of the waves depending on the wind strength
This article describes how to control visibility of input and output controls in a calculator
The relationship of the wave frequency, wavelength and propagation velocity.