Online calculator catalog
Life 53
	Calendar   Week days calculator,   Julian Day,   Date by the Julian Day Number,   The Muslim calendar. The Gregorian calendar conversion,   Orthodox Easter date calculator, ... +14
	Date and Time   Date to timestamp converter,   Convert days to years, months and days,   Days count in several date spans,   Monthly issue number generator,   Time. Total sum, ... +37
	Health   Ideal weight calculator using Body Mass Index,   Body fat calculator - YMCA formula,   The basal metabolic rate,
Professional 160
	Computers   Regular expression tester,   Conversion between any bases,   Simple math in any numeral system,   Binary Coded Decimal (BCD),   Conversion from decimal numeral system, ... +16
	Engineering   Root and power,   Volume of the cylinder segment,   Hyperbolic functions,   Pipe cold bending. Flexure depth with main shaft.,   Area of a convex quadrilateral. Example of creating a calculator., ... +48
	Finance   When it becomes profitable to pay the tax as a sole proprietor?,   Simple Interest,   Compound interest,   Family budget planner,   Mortgage calculator, ... +9
	Navigation   Beaufort scale,   Sunrise and sunset time,   Distance through the Earth,   Prospect distance from the ground and line of sight distance between two observers,   Distance across the surface vs distance through the Earth, ... +12
	Statistics   Negative Binomial Distribution. Probability density function, cumulative distribution function, mean and variance,   Indicators of variations,   Z-score from P-value,   Cuba World Development Indicators 2016 - in memory of Fidel Castro,   Count to Probability, ... +37
	Telecommunications   PBX channel number calculation,   Telecommunications traffic, Erlang,   VOIP call bandwidth,   Flag semaphore signals,
	Units converters   Conversion between any bases,   Number of days in a year,   Nautical measurement units,   Beaufort scale,   Conversion between imperial and metric units of area, ... +14
Study 240
	Astronomy   Sun position at a given date. Azimuth and elevation table.,   Azimuth and solar elevation angle,   Sunrise and sunset time,   Angular size, linear size and distance,   Sunrise and sunset calculator, ... +2
	Chemistry   Convert moles to grams and grams to moles.,   Convert grams to liters and liters to grams,   Raoult's Second law and the freezing temperature.,   Convert moles to liters and liters to moles,   Molar mass of the substance, ... +6
	Math   Polygon area,   Derivative,   Trigonometric functions,   Volume of liquid in a tilted tank with hemispherical heads,   Converting degrees to radians, ... +171
	Physics   Wind Chill Index,   Celsius to Fahrenheit calculator explained,   Volume of body given the buoyant force,   Thermodynamics mixing problem solver,   Space object velocity, ... +42