# All online calculators

- Spherical cap and spherical segment
This calculator computes volume and surface area of spherical cap and spherical segment

- Spherical sector
Calculates surface area and volume of Spherical sector by radius and height

- Square Door Tank Volume
Use this calculator to determine tank volume if you've modified the tank for square doors.

- Square Stack Calculator
Due to friction loss when using a rectangular stack, this will calculate the equivalent size of a round stack with the same airflow.

- Squarefree polynomial factorization
The calculator extracts square factors from the input polynomial.

- Standard Galactic Alphabet decoder
This online calculator can decode message written with standard galactic alphabet symbols

- Strength of alcoholic cocktail
Calculates volume fraction of alcohol in a beverage made of 3 other beverages.

- Student t-distribution
Calculates cumulative distribution function value and probability density function value for Student t-distribution. Quantile calculator evaluates Student quantiles for given probability and specified number of degrees of freedom.

- Substitution cipher breaker
This online calculator tries to decode substitution cipher without knowing the key. It uses genetic algorithm over text fitness function to break the encoded text

- Substitution Cipher Tool
The tool to encrypt/decrypt messages with simple substitution cipher given as key. It is also useful for manual cryptanalysis of substitution cipher - when you have message written in English alphabet partially decrypted with automatic tool and want to tweak the key.

- 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

- Synthetic division
A simple method of polynomial division.

- 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