Online calculator catalog
Life 121
	Calendar   Ethiopian calendar,   Fixed date to Gregorian date,   Ahargana day count to the Gregorian date,   Armenian calendar,   ISO calendar, ... +14
	Date and Time   Time to Earn Calculator: Calculate Work Hours for Desired Income,   Weeks to Months Calculator,   Julian days calculation,   Time interval between two dates,   Travel Duration, ... +60
	Health   Pregnancy Due Date Predictor,   Body proportionality,   Body Proportions Calculator,   The number of packs steroid you need for cycle,   Daily Calorie Rate, ... +13
Professional 325
	Computers   Text file encoding,   Binary file,   Text Formatter,   Unique words count,   Vigenère cipher, ... +60
	Engineering   Trapezoid - Shaped Throat Opening,   Air Flow Calibration,   Calculation of weight by volume,   Circular Intake/Exhaust Calculator,   Throat Calculator for Cylindrical Tanks, ... +34
	Finance   Mortgage loan early repayment date,   Russian Central Bank Exchange Rate Converter,   Real interest rate using Fisher equation,   Commission calculator,   USD to rubles and vice versa by the Central Bank of Russian Federation exchange rate, ... +30
	Image processing   Jpeg image meta-data,   Morphological filters,   Digital images parameters comparison,   Median filter,   Color to Grayscale Conversion, ... +6
	Navigation   Compass, magnetic and true course calculator,   Fuel Consumption Calculator,   Cost of one hour (or kilometer),   Flag Semaphore Translator,   Russia's regional registration plates, ... +15
	Statistics   Exponential smoothing,   Negative Binomial Distribution. Probability density function, cumulative distribution function, mean and variance,   Exponential Moving Average,   Simple Moving Average,   Hypergeometric Distribution. Probability density function, cumulative distribution function, mean and variance, ... +32
	Telecommunications   VOIP call bandwidth,   Morse Code Converter: Translate and Decode Messages,   Number of agents in a call center,   Morse-ify and Modify., ... +1
	Units converters   Speed Converter,   Degrees-minutes-seconds to decimal degrees conversion and vice versa.,   Exotic length units,   Inches to Pixels and Pixels to Inches Converter,   Conversion between imperial and metric units of area, ... +19
	Сryptography   The next lucky ticket,   Standard Galactic Alphabet decoder,   Cyrillic, mailto and URL-encoded symbols,   Sudden Acute Radiation Syndrome to date sudden loss in humanity ,   PATHFINDER cipher checker, ... +83
Study 419
	Astronomy   Zero Shadow Day,   Dates of the beginning and end of polar night and polar day at a given latitude,   Declination and maximum altitude of the Sun above the horizon on a given date,
	Chemistry   The Chemical Reaction Search Calculator,   Molar Mass Calculator,   Molarity to molality and vice versa,   Chemical equation balancer,   Convert moles to liters and liters to moles, ... +20
	Math   Modular inverse of a matrix,   Egyptian Fraction to Rational Number Converter,   Mean, variance and standard deviation of discrete random variable,   Z-score / Standard score,   Polynomial root isolation, ... +309
	Physics   Determining air humidity with the psychrometric method,   Energy Unit Converter: Joules, Kilowatt-Hours, Kilogram-Force per Meter, Horsepower per Hour, Kilocalories,   Sound Doppler Shift Calculator,   Dynamics. Acceleration of an resultant force,   Petroleum product density, ... +61