- The waves and the wind. Calculation of wave characteristics
Calculation of wave characteristics

- 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.

- Time difference between the cities
Calculates the time difference between the two cities based on the catalogue data.

- Time interval between two dates
Calculate time interval between two dates

Predicting the height of the waves depending on the wind strength

- Time Span Calculator
This online calculator computes how much time is passed between two time points, specified in hours and minutes.

- Time units
Calculator expresses time interval in different time units.

- Time zones
The calculator shows the current time, universal time, and time for the selected city

- Time. Total sum
Calculator sums up input time intervals

- Tips and tricks #5: How to show/hide input and output controls in a calculator
This article describes how to control visibility of input and output controls in a calculator

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

This online calculator computes travel duration given departure time and city and arrival time and city using time zones information

- Torus
Volume and surface area of torus.

- Total square
This calculator calculates total square as sum of squares of entered rectangles

- Total time
- Total time
This calculator allows you to carry out the addition of the time - it displays the total, the average, minimum and maximum.

- Total volume
This calculator calculates total volume as sum of volumes of entered rectangular parallelepipeds.

- Tournament table
The calculator performs the participant placement with two following conditions: 1) Each participant must start from each starting position. 2) Each participant must encounter every other participant.

- Traveling Wave Relationship
The relationship of the wave frequency, wavelength and propagation velocity.

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