Online calculator catalog
Life 70
	Calendar   Time between two dates with time zone,   Date by the Julian Day Number,   Age,   Gregorian calendar. Julian calendar. The calendar eras.,   Hebrew calendar, ... +28
	Date and Time   Use of Time Summary,   Week number of a given date,   Days count in several date spans,   Sun position at a given date. Azimuth and elevation table.,   Time interval between two dates, ... +44
	Health   The basal metabolic rate,   Ideal weight calculator using Body Mass Index,
Professional 171
	Computers   Substitution Cipher Tool,   Binary Coded Decimal (BCD),   Caesar cipher,   Shannon coding,   Conversion between any bases, ... +19
	Engineering   Calculation of weight by volume,   Laminate flooring. The calculation of the number of planks,   Triangle angles for given triangle sides,   Determining air humidity with psychrometric method,   Geometric progression, ... +50
	Finance   Simple Interest,   Percentage,   Compound interest. Arbitrary payment,   Mortgage calculator,   Progressive tax, ... +12
	Navigation   Earth Radius by Latitude (WGS 84),   Distance across the surface vs distance through the Earth,   Flag semaphore signals,   Compass point between two locations,   Prospect distance from the ground and line of sight distance between two observers, ... +12
	Statistics   Exponential smoothing,   Direct observation error analisys,   Hypergeometric Distribution. Probability density function, cumulative distribution function, mean and variance,   Seasonal fluctuations. Seasonal indices. Method of simple averages,   Chande momentum oscillator indicator, ... +40
	Telecommunications   VOIP call bandwidth,   Telecommunications traffic, Erlang,   PBX channel number calculation,
	Units converters   Conversion between any bases,   Conversion of decimal number to other notations,   Math operations on degrees,   Digital image size in pixels and photo print size,   Cartesian and polar two-dimensional coordinate systems, ... +14
Study 318
	Astronomy   Shadow length,   Azimuth and solar elevation angle,   Sunrise and sunset time,   Sun position at a given date. Azimuth and elevation table.,   Sunrise and sunset calculator, ... +2
	Chemistry   Concentration of analyte with uncertaintly analysis for replicate titrations,   Molar mass of the substance,   Convert moles to grams and grams to moles.,   CaCl2 ppm to chlorides WPS ppm converter,   Molar volume, ... +11
	Math   Extended Euclidean algorithm,   Derivative,   Second, third and other derivatives,   Line equation from two points,   Ellipsoid, ... +243
	Physics   Volume of body given the buoyant force,   Complementary color,   Angular velocity and linear velocity,   Humidification loads,   Projection, ... +43