All online calculators
- Sun position at a given date. Azimuth and elevation table.
Calculation of azimuth and elevation of the sun above the horizon for a given position and time. Table with one hour increments.
- Sunrise and sunset calculator
Sunrise/Sunset calculation for given latitude and longitude or for given city. Source: Almanac for Computers, 1990 published by Nautical Almanac Office United States Naval Observatory Washington, DC 20392
- Sunrise and sunset time
This online calculator is intended for sunrise and sunset time calculation for given place and date. The calculator algorithm is obtained from the great book of Oliver Montenbruck and Thomas Pfleger "Astronomy on the Personal Computer".
- Surface area of a cube
- 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
- Symbol frequencies table
This online calculator builds symbol frequency table for a given message
- Tank volume
Calculator computes tank volume given its length, diameter and walls depth. Created by user's request.
- Tank Volume Calculators
Use one of these to determine your tank's volume.
- Tax deductions from personal income tax
- Team combinations with conditions like team roles and limits
This online calculator generates all possible combinations of 11 from 22 using limiting conditions like team roles and limits
- Telecommunications traffic, Erlang
The calculator gives telecom traffic in Erlang for given time span and total call duration.
- Temperature scales
Conversion between different temperature scales
- The amount of material for the mesh
It's required to produce a mesh with predetermined length and width, roughly square meshes from tape with predetermined width. It is necessary to calculate the total length of the tape.
- The basal metabolic rate
This calculator computes BMR calories
- The buoyant force
This calculator computes the buoyant force and weight of the liquid displaced, given the volume of body in water
- The calculation of amortization for tax purposes
The methods and procedures for calculating amortization for tax purposes in accordance with Article 259 of the Tax Code, taking into account the changes to the federal law of 27 July 2006 N 144-FZ.
- The Central Bank of Russia exchange rate difference
- The diagonals of a parallelogram
Calculator computes the diagonals of a parallelogram and adjancent angles from side lengths and angle.
- The Discrete Fourier Transform Sandbox
This calculator visualizes Discrete Fourier Transform, performed on sample data using Fast Fourier Transformation. By changing sample data you can play with different signals and examine their DFT counterparts (real, imaginary, magnitude and phase graphs)
- The greatest common divisor and the least common multiple of two integers
This calculator finds the greatest common divisor (GCD) and the least common multiple (LCM) of two integers