This online calculator answers question "how to choose" humidifier, by calculating humidification requirements given initial and target relative humidity and building parameters
This calculator will help you to solve uniform acceleration problems
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.
This calculator determines current by voltage and resistance using ohm law
Petroleum product density conversion, according to GOST 3900-85
This online calculator computes speed of sound in an ideal gas.
This online calculator turns power into torque and vise versa
This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure
Calculation of unknown parameters of projection using known parameters. Parameters are duration, maximum height, distance, initial velocity and angle.
This calculator can find missing values in the relationship between heat and temperature: heat added or removed, specific heat, mass, initial temperature and final temperature
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
Conversion between different temperature scales
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
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