Online calculator catalog
Life 51
	Calendar   The Muslim calendar. The Gregorian calendar conversion,   Date and number of working days (for Russia),   Date by the Julian Day Number,   Mayan calendar, 2012, the end of the world.,   Days between dates. The historical version., ... +13
	Date and Time   Time difference between the cities,   Number of days in a year,   How many hours between two days,   Travel Duration,   Julian Day, ... +36
	Health   Ideal weight calculator using Paul Broca formula,   Ideal weight calculator using Body Mass Index,   Body fat calculator - YMCA formula,   The basal metabolic rate,
Professional 159
	Computers   Shannon Entropy,   Simple math in any numeral system,   Binary Coded Decimal (BCD),   VARIANT DATE to datetime string,   Caesar cipher, ... +16
	Engineering   Direct observation error analisys,   Spherical cap and spherical segment,   Geometric progression,   Determining air humidity with psychrometric method,   Barometric leveling, ... +48
	Finance   Compound interest,   The calculation of amortization for tax purposes,   Progressive tax,   Percentage,   Loan payment example, ... +9
	Navigation   Compass point between two locations,   Compass, magnetic and true course.,   Sunrise and sunset time,   Beaufort scale,   Course angle and the distance between the two points on loxodrome (rhumb line)., ... +11
	Statistics   Paired Sample t-Test,   Analytical performance indicators,   Cuba World Development Indicators 2016 - in memory of Fidel Castro,   Lagged scatterplot,   Count to Probability, ... +37
	Telecommunications   Flag semaphore signals,   PBX channel number calculation,   Telecommunications traffic, Erlang,   Number of agents in call center,   VOIP call bandwidth,
	Units converters   Digital image size in pixels and photo print size,   Conversion between any bases,   Conversion between imperial and metric units of area,   Imperial to Metric and Metric to Imperial measures of length converter,   Conversion from decimal numeral system, ... +14
Study 233
	Astronomy   Angular size, linear size and distance,   Azimuth and solar elevation angle,   Sunrise and sunset time,   Sun position at a given date. Azimuth and elevation table.,   Shadow length, ... +2
	Chemistry   Raoult's Second law and the freezing temperature.,   Molar volume,   Chemical equation balancer,   CaCl2 ppm to chlorides WPS ppm converter,   Convert grams to liters and liters to grams, ... +6
	Math   Least Common Denominator for several fractions,   Math equation simplification,   Mathematical competition tasks,   Polynomial division,   Fixed-point iteration method, ... +164
	Physics   Calculation of weight by volume,   Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.,   Petroleum product density,   p-t Graph Analysis,   Surface tension. Weight and volume of the drop of liquid, ... +42