# All online calculators

- Values of one-variable function
This online calculator calculates values of one-variable function given function formula and set of variable values

- VARIANT DATE to datetime string
This online calculator converts VARIANT DATE (double) value to datetime string.

- Vector Addition Calculator
This online calculator performs vector addition and displays vectors and vector sum graphically.

- Vigenère cipher
Calculator encrypts entered text by using Vigenère cipher. Non-alphabetic symbols (digits, whitespaces, etc.) are not transformed.

- Vigenère cipher breaker
This online calculator tries to decode Vigenère cipher without knowing the key. It uses the index of coincidence technique.

- VOIP call bandwidth
The calculator works out bandwidth required to handle given number of VOIP calls with given audio codec.

- Volume of a sphere
This online calculator can find volume of a sphere by radius, and radius by volume of a sphere

- 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.

- Volume of geometric shapes
Calculates volume of geometric shapes: cube, prism, pyramid, frustum, cone, cylinder, sphere, ellipsoid.

- Volume of liquid in a tilted tank with hemispherical heads
Calculates volume of liquid in an inclined cylindrical tank with hemispherical ends.

- Volume of the cylinder segment
Calculates volume of the cylinder segment

- Volume of the hemisphere cut at an angle
Volume of hemisphere asymmetrically cut by a flat plane under a given angle.

- Wage payment delay compensation
It calculates the amount of monetary compensation, which the employer must pay the employee for the delay of wages or other payments, according to the Russian Federation Labour Code.

- Wallpaper calculator
Amount of cubic meters and amount of rolls of wallpaper as you enter the size of walls and the size of rolls

- Week days calculator
The calculator counts number of week days between two selected dates.

- Week number of a given date
Week number of a given date. Europe (ISO 8601) standard method, US method and simple numeration method.

- Weighted moving average
Weighted moving average calculation by candles

- When it becomes profitable to pay the tax as a sole proprietor?
The calculator allows you to compare the taxes paid by an sole proprietor in the simplified taxation system and the individual.

- When to drive after drinks?
Calculates time weathering of alcohol in the blood to normal

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