On-line determiners of species of plants and animals

The Central Bank of the Russian Federation states daily exchange rates of 18 main foreign currencies, including U.S. dollar and euro.

The Central Bank of the Russian Federation states exchange rates of 100 foreign currencies against U.S. dollar on the last day of each month.

Information about 130 currencies; their exchange rates are stated by Central Banks of 13 countries.

Conversion of numerals into numeral systems that are presented by different graphic signs.

Conversion of numerals into different positional notations.

The Alexandrian calendar is based on the ancient Egyptian calendar but one day is added every four year. The calendar is often called Coptic but both calendars have different numeration of years.

The coptic calendar is based on the ancient Egyptian calendar but one day is added every four years. The calendar coincides with the Alexandrian calendar but they have different numeration of years.

The Armenian calendar is a solar calendar based on the same system as the Egyptian calendar with a year of 365 days; there is no leap year.

The Bahai calendar, or the Badi calendar, is a solar calendar that is used by those who practise the Bahai’s faith.

The Zoroastrian calendar is a religious solar calendar that is used by those who practise Zoroastrianism.

The Indian calendar, that is also called Saka, is an official civil calendar; it is used alongside the Gregorian calendar in India.

The Persian, or Iranian, calendar is a solar calendar that is used in Iran.

The Republican calendar is a calendar that was in use for a few years since the French Revolution.

The Romanian calendar is a calendar that was prior to the Julian calendar.

The Ethiopian calendar is based on the Alexandrian calendar and used in Ethiopia and by the Eritrean Orthodox Tewahdo Church.

Conversion of units of information: bits, bytes, terabytes, gigabytes and etc.

Conversion of oil volume units: barrels, tonnes and kilolitres.

Conversion of gas volume units: cubic metres, cubic feet, tonnes LNG and BTU.

Short address service allows you to shorten long links that are not convenient to use in an explicit form; short links are easier and faster to print and dictate.

The widget shows dinamically how much time is left till the choosen date (or how much time passed after it). To customize it you should give a title, size and colour of the window, date and time till which a countdown should last. You may also set a certain day or even second in oder to make the countdown accurate.

Short address service allows you to create an address synonym of any web resource in the Internet. You may shorten any address that is too long to remember it or send forward by e-mail. For example, byst.ro/hello. Our service also allows you to choose by yourself an address of your future short link, for example, my.byst.ro or my.byst.ro/hello.

It is a service that allows you to find out who the chosen domain or IP-address belongs to. 

The Gregorian calendar was created by astronomers at the direction of Pope Gregory XIII in order to reform the Julian calendar: the new calculation began on October 15, 1582.

The Julian calendar was created by Alexandrian astronomers headed by Sosigenes and brought into force by Roman emperor Julius Caesar in 45 B.C. to replace the inaccurate Roman republican calendar.

Conversion of metric, British and Russian units of mass: a kilogram, pound, pood and others.

Converter of currency is a calculator that can convert one of world’s currencies into another currency at the rate of the Central Bank of the Russian Federation on the settling day.

It is the service that allows you to determine your own IP-address, screen size and other characteristics that the site can see.

It is the utility that allows you to match a domain name with an IP-address.

It is the utility that allows you to test network connection and the accessibility of the web resource.

It is the utility that allows you to trace the route of packets in the Net.

The Hebrew calendar was created in the second millenium B. C. At first it was a lunar calendar and counted the time watching season drifts; then calculations were added.

The first year of the Muslim calendar was the year when the Hejri (the emigration of the Islamic prophet Muhammad from Mecca to Medina) occurred; it corresponds to July 16, 622 B.C.

Conversion of metric, British and Russian units of mass: kilogram, pound, pood and other.

Conversion of metric and British units of area: square meter, hectare, acre and others.

Conversion of metric, British, US units of volume, including liquid and dry: cubic meter, barrel, gallon and others.

Conversion of metric, British and non-systematic units of speed: a kilometer per hour, knot and others.

Temperature conversion to and from Celsius, Fahrenheit and Kelvin.

Conversion of units of pressure: a pascal, bar, millimeter of mercury and others.

Conversion of units of force: a newton, dyne and others.

Conversion of units of energy: a joule, erg, kilowatt per hour and others.

Conversion of units of power: watt, horsepower, joule per second and others.

Conversion of metric, British and scientific units of length: a meter, arshin, angstrom and others.