Online calculator catalog
Life 51
	Calendar   Orthodox Easter date calculator,   Week number of a given date,   Date and number of working days (for Russia),   Age,   Area de la Sombra de un Objeto, ... +13
	Date and Time   Day of week by date,   Date plus days,   Week number of a given date,   The Muslim calendar. The Gregorian calendar conversion,   Sunrise and sunset calculator, ... +36
	Health   The basal metabolic rate,   Ideal weight calculator using Paul Broca formula,   Ideal weight calculator using Body Mass Index,   Body fat calculator - YMCA formula,
Professional 154
	Computers   VARIANT DATE to datetime string,   Simple math in any numeral system,   LL1 grammar analysis. Yet another top-down parser generator.,   Conversion between any bases,   Base 64 encoding and decoding, ... +15
	Engineering   Altitude of a triangle,   Angle bisector of a triangle,   Median of a triangle,   Pipe cold bending. Flexure depth with main shaft.,   Counting pipes from the end face, ... +48
	Finance   The calculation of amortization for tax purposes,   Percentage,   Compound interest. Arbitrary payment,   Calculation of payments on corporate property tax,   Loan payment example, ... +8
	Navigation   Distance calculator,   Flag semaphore signals,   Compass Points,   Tidal gate calculator (Rule of twelfths),   Beaufort scale, ... +11
	Statistics   Chande momentum oscillator indicator,   Triple exponential smoothing,   Pearson correlation coefficient,   Cuba World Development Indicators 2016 - in memory of Fidel Castro,   Z-score / Standard score, ... +34
	Telecommunications   Telecommunications traffic, Erlang,   VOIP call bandwidth,   Number of agents in call center,   Flag semaphore signals,
	Units converters   Conversion from decimal numeral system,   Beaufort scale,   Conversion of decimal number to other notations,   Pressure units converter,   Binary, inverse and complement codes, ... +14
Study 233
	Astronomy   Sunrise and sunset calculator,   Julian Day,   Angular size, linear size and distance,   Azimuth and solar elevation angle,   Sunrise and sunset time, ... +2
	Chemistry   Alcohol amount in the aqueous alcohol solution,   Chemical equation balancer,   Convert moles to liters and liters to moles,   Raoult's Second law and the freezing temperature.,   Molar mass of the substance, ... +6
	Math   3d coordinate systems,   Regular polygon. Incircle and circumcircle,   Z-score / Standard score,   Second, third and other derivatives,   Angular size, linear size and distance, ... +164
	Physics   Volume of body given the buoyant force,   Free fall. Distance passed task.,   Barometric leveling,   Petroleum product density,   Dew point, ... +42