Online calculator catalog
Life 77
	Calendar   Coptic calendar,   Week days calculator,   Gregorian date to Julian date,   Fixed date to Gregorian date,   Days between dates. The historical version., ... +7
	Date and Time   Day of week by date,   Sunrise and sunset calculator,   Timer,   Date and number of working days (for Russia),   How many days are there between two dates?, ... +45
	Health   The basal metabolic rate,   Ideal weight calculator using Paul Broca formula,   Figure's grace,   Brunhald formula ideal weight calculator,   Body proportionality, ... +6
Professional 140
	Computers   Count the number of words,   Conversion of fractional numbers between numeral systems,   Symbol frequencies table,   Caesar cipher,   Simple math in any numeral system, ... +19
	Engineering   Petroleum product density,   Direct observation error analisys,   Usable volume of tank,   Derivative,   Barometric leveling, ... +30
	Finance   Mortgage calculator,   Nominal interest rates сomparison,   Calculation of payments on corporate property tax,   Accretion and discounting of annuity payments,   Price based on running meter, ... +13
	Navigation   Tidal gate calculator (Rule of twelfths),   Distance through the Earth,   Compass point between two locations,   Course angles and distance between the two point on the orthodrome(great circle),   Flag semaphore signals, ... +11
	Statistics   Cuba World Development Indicators 2016 - in memory of Fidel Castro,   Binomial distribution, probability density function, cumulative distribution function, mean and variance,   Histogram,   Analytical performance indicators,   Log-normal distribution, ... +26
	Telecommunications   Number of agents in call center,   VOIP call bandwidth,
	Units converters   Meters per second and kilometers per hour,   Display aspect ratio and dimensions,   Imperial to Metric and Metric to Imperial measures of length converter,   Conversion of decimal number to other notations,   Digital image size in pixels and photo print size, ... +7
Study 285
	Chemistry   Molarity calculator,   Convert grams to liters and liters to grams,   Molar mass of the substance,   Concentration of analyte with uncertaintly analysis for replicate titrations,   Molar volume, ... +9
	Math   Polynomial addition /subtraction,   Polynomial roots,   Math equation syntax,   Tips and tricks #9: Big numbers,   Inverse matrix calculator, ... +225
	Physics   Surface tension. Weight and volume of the drop of liquid,   Traveling Wave Relationship,   Relative humidity to absolute humidity and vise versa calculators,   Humidification loads,   Electricity, Work, and Power, ... +34