Online calculator catalog
Life 56
	Calendar   Area de la Sombra de un Objeto,   Number of working days between two dates (for Russia),   The Muslim calendar. The Gregorian calendar conversion,   Week days calculator,   How many workdays between two dates?, ... +16
	Date and Time   How many days are there between two dates?,   Azimuth and solar elevation angle,   Moonphases,   Sun position at a given date. Azimuth and elevation table.,   Number of working days between two dates (for Russia), ... +40
	Health   Ideal weight calculator using Body Mass Index,   The basal metabolic rate,
Professional 168
	Computers   Shannon-Fano coding,   Count the number of words,   Email extractor,   LL1 grammar analysis. Yet another top-down parser generator.,   Binary, inverse and complement codes, ... +18
	Engineering   Tilted cylindrical tank volume,   Area of a convex quadrilateral. Example of creating a calculator.,   Direct observation error analisys,   Number of flagstones to units of area and vice versa,   One-variable function graph, ... +50
	Finance   Compound interest. Arbitrary payment,   Commission calculator,   Progressive tax,   Discount calculator,   Loan payment example, ... +11
	Navigation   Flag semaphore signals,   Nautical measurement units,   Points of the compass,   Earth Radius by Latitude (WGS 84),   Distance through the Earth, ... +12
	Statistics   Histogram,   Log-normal distribution,   Probability Urn simulator,   Student t-distribution,   Text fitness, ... +39
	Telecommunications   Telecommunications traffic, Erlang,   Number of agents in call center,   PBX channel number calculation,
	Units converters   Conversion from decimal numeral system,   Conversion of decimal number to other notations,   Cartesian and polar two-dimensional coordinate systems,   Pressure units converter,   Imperial to Metric and Metric to Imperial measures of length converter, ... +14
Study 273
	Astronomy   Shadow length,   Sun position at a given date. Azimuth and elevation table.,   Sunrise and sunset calculator,   Azimuth and solar elevation angle,   Sunrise and sunset time, ... +2
	Chemistry   Alcohol amount in the aqueous alcohol solution,   Molar volume,   CaCl2 ppm to chlorides WPS ppm converter,   Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.,   Raoult's Second law and the freezing temperature., ... +7
	Math   Factoring trinomials,   Logarithm,   Evaluating expressions,   Math worksheets generator for elementary school,   Combinatorics. Combinations, arrangements and permutations, ... +203
	Physics   Altitude Pressure,   Calculation of weight by volume,   The waves and the wind. Wave height statistical forecasting,   Energy measurement units,   Power into Torque and vise versa, ... +42