Online calculator catalog
Life 117
	Calendar   Ethiopian calendar,   Coptic calendar,   Fixed date to Gregorian date,   Ahargana day count to the Gregorian date,   Roman calendar, ... +14
	Date and Time   Time period as minutes to midnight,   Time units,   Old Russian (Byzantine) system of chronology,   How many workdays between two dates?,   How many months are there between two dates?, ... +57
	Health   Lorenc formula of an ideal weight,   Coronavirus disease epidemic in different countries,   Strength of alcoholic cocktail,   Ideal weight calculator using Body Mass Index,   Weathering of alcohol concentration in the blood, ... +14
Professional 274
	Computers   Vigenère cipher,   Joint Entropy,   Shannon coding,   CSV table to JSON array,   Regular expression tester, ... +62
	Engineering   Tank Volume Calculators,   Throat Calculator for Overlapping Cylindrical Tanks,   Relations between the mass, the length, the width, and the area density (surface density) of the fabric,   Arithmetic sequence calculator and problems solver,   Boiling point of pure water at elevated altitudes, ... +57
	Finance   The calculation of amortization for tax purposes,   Tax deductions from personal income tax,   Family budget planner,   How much does cash weigh?,   Cost per unit of volume, ... +30
	Image processing   Box filters for image processing,   Image manipulation,   Jpeg image meta-data,   Watercolor effect,   Color image to black and white image, ... +5
	Navigation   Nautical measurement units,   Cost of one hour (or kilometer),   Points of the compass,   Distance between two cities,   Beaufort scale, ... +17
	Statistics   Exponential smoothing,   Analytical performance indicators,   Histogram group number,   Two sample t-Test,   Hypergeometric Distribution. Probability density function, cumulative distribution function, mean and variance, ... +28
	Telecommunications   Morse code. Mutator,   Number of agents in a call center,   Morse Code,   PBX channel number calculation, ... +1
	Units converters   Digital image size in pixels and photo print size,   Miles per gallon to liters per kilometer fuel consumption converter,   Exotic length units,   Degrees-minutes-seconds to decimal degrees conversion and vice versa.,   Display aspect ratio and dimensions, ... +18
	Сryptography   Pangram checker,   Vigenère cipher breaker,   Kasiski test,   A2Z52 encoder/decoder,   Isogram checker, ... +11
Study 336
	Chemistry   pH of a solution calculator,   Fertilizing,   Acid-base titration curves,   Molar mass of the substance,   Chemical equation balancer, ... +14
	Math   Resultant,   Cone,   Sine wave calculator,   Ellipsoid,   Centered Moving Average, ... +259
	Physics   Thermodynamics – calculator for solving mixing problems,   Average Pressure, psia,   Coulomb's law,   Freefall distance problems solver,   Battery discharge time depending upon load, ... +44