Online calculator catalog
Life 113
	Calendar   Mayan calendar, 2012, the end of the world.,   Days between dates. The historical version.,   Hindu mean solar calendar to Gregorian date,   Ancient Egyptian Calendar,   Gregorian date to Hindu mean lunisolar calendar, ... +28
	Date and Time   Monthly issue number generator,   Date calculator,   Time. Total sum,   Timer,   How many days are there between two dates?, ... +40
	Health   Determination of the baby's sex,   McDonald's meal nutrition facts,   Daily Calorie Rate,   Ideal weight calculator using Body Mass Index,   Coronavirus disease epidemic in different countries, ... +14
Professional 271
	Computers   Network address and subnet mask (IPv4),   CSV table to JSON array,   Check Digit Mod 11 (ISBN-10 check digit),   Unique words count,   Simple math in any numeral system, ... +53
	Engineering   Flow Rate and Pressure Drop of Gas Through a Pipeline,   Film calculator,   Oval Tank Volume Calculator,   One-variable function graph,   Tank Volume Calculators, ... +54
	Finance   Mortgage calculator,   Dollars to rubles and vice versa by Central Bank of Russia exchange rate,   Compound interest with an equal monthly investment,   The Central Bank of Russia exchange rate difference,   Unused leave compensation at dismissal, ... +29
	Navigation   Russia's regional registration plates,   Prospect distance from the ground and line of sight distance between two observers,   City objects observation,   Course angles and distance between the two points on the orthodrome(great circle),   Compass, magnetic and true course calculator, ... +14
	Statistics   Triple exponential smoothing,   Spearman's correlation coefficient,   Two sample t-Test,   Weighted moving average,   Hypergeometric Distribution. Probability density function, cumulative distribution function, mean and variance, ... +36
	Telecommunications   PBX channel number calculation,   Flag semaphore signals,   Morse code. Mutator,   VOIP call bandwidth,   Morse Code, ... +2
	Units converters   Pounds to kilograms conversion and vice versa,   Plane angles measurement systems,   Miles per gallon to liters per kilometer fuel consumption converter,   Expressing length through different units,   Ton-kilometer. Conversion based on the cost of a kilometer, ... +27
	Сryptography   Pigpen cipher decoder,   Gravity Falls Author's symbol substitution cipher decoder,   Substitution cipher decoder,   A2Z52 encoder/decoder,   Atbash cipher, ... +16
Study 314
	Chemistry   pH of a solution calculator,   Raoult's Second law and the freezing temperature.,   Molarity calculator,   Acid-base titration curves,   Peptides dissolution calculator., ... +14
	Math   2D Bin Packing Problem Solver,   Torus,   Egyptian numbers,   Generator of combinations that satisfy a condition,   Z-score / Standard score, ... +241
	Physics   Сonstant acceleration,   Normal force,   Power into torque, and vice versa,   Kinematic Equations for Uniform Acceleration,   Surface tension. Weight and volume of the drop of liquid, ... +40