# Search results

##### Result by tag *Professional* 142 results

- 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.

- 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".

- Symbol frequencies table
This online calculator builds symbol frequency table for a given message

- Telecommunications traffic, Erlang
The calculator gives telecom traffic in Erlang for given time span and total call duration.

- 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 diagonals of a parallelogram
Calculator computes the diagonals of a parallelogram and adjancent angles from side lengths and angle.

- The limit of the function at the given point
This calculator calculates the limit of the function at a given point numerically. It calculates the limit of the function well as x approaches to the specified value. It's not suitable for calculating the limits when x goes to infinity.

- Tidal gate calculator (Rule of twelfths)
This calculator calculates tidal gates using the rule of twelfths, estimating the height of the tide at any time, given only the time and height of high and low water.

- Tilted cylindrical tank volume
Calculates volume of cylindrical tank tilted at an angle. To perform calculation you must provide the tank size, angle and liquid level.

- Tips and tricks #8: How to reuse existing calculator
This article describes process of reusing another calculator's logic (algorithm) in your calculator.

- Trigonometric functions
This online calculator computes the values of elementary trigonometric functions, such as sin, cos, tg, ctg, sec, cosec for an angle, which can be set in degrees, radians, or grads.

- Triple exponential smoothing
Description and examples of triple exponential smoothing

- Usable volume of tank
This calculator find usable volume of tank, taking into account wall thickness

- 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.

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

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

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