Online calculator catalog
Life 56
	Calendar   Area de la Sombra de un Objeto,   Orthodox Easter date calculator,   Old Russian (Byzantine) system of chronology,   Julian Day,   Julian and Gregorian calendars, ... +16
	Date and Time   Age,   Old Russian (Byzantine) system of chronology,   How many days are there between two dates?,   Date and number of working days (for Russia),   Total time, ... +40
	Health   Ideal weight calculator using Body Mass Index,   Ideal weight calculator using Paul Broca formula,   Body fat calculator - YMCA formula,
Professional 166
	Computers   Hill cipher,   Shannon coding,   Binary Coded Decimal (BCD),   Conversion from decimal numeral system,   Symbol frequencies table, ... +18
	Engineering   Boiling point dependence on the altitude above sea level,   Mathematical calculator,   Sine wave,   The limit of the function at the given point,   Solving limit problems using L'Hospital's Rule, ... +48
	Finance   Compound interest,   Nominal interest rates сomparison,   Simple Interest,   Mortgage calculator,   Family budget planner, ... +11
	Navigation   Distance across the surface vs distance through the Earth,   Nautical measurement units,   Prospect distance from the ground and line of sight distance between two observers,   Tidal gate calculator (Rule of twelfths),   Sunrise and sunset time, ... +12
	Statistics   Probability Urn simulator,   Hypergeometric Distribution. Probability density function, cumulative distribution function, mean and variance,   Seasonal fluctuations. Seasonal indices. Constant mean method.,   Paired Sample t-Test,   Estimated Mean of a Population, ... +39
	Telecommunications   Telecommunications traffic, Erlang,   Flag semaphore signals,   PBX channel number calculation,   VOIP call bandwidth,
	Units converters   Number of days in a year,   Converting degrees to radians,   Conversion of decimal number to other notations,   Conversion of pounds into inches,   Imperial to Metric and Metric to Imperial measures of length converter, ... +14
Study 255
	Astronomy   Sunrise and sunset time,   Julian Day,   Shadow length,   Sun position at a given date. Azimuth and elevation table.,   Angular size, linear size and distance, ... +2
	Chemistry   Raoult's Second law and the freezing temperature.,   Convert moles to grams and grams to moles.,   Density of oil,   Alcohol amount in the aqueous alcohol solution,   Chemical equation balancer, ... +6
	Math   Usable volume of tank,   Cone development,   Counting pipes from the end face,   Two argument arc tangent,   Involute of an angle, ... +186
	Physics   Power into Torque and vise versa,   Altitude Pressure,   Hydrostatic pressure,   Calculation of weight by volume,   Celsius to Fahrenheit calculator explained, ... +42