Online calculator catalog
Life 121
	Calendar   Roman calendar,   Hindu mean lunisolar calendar to Gregorian date,   Fixed date to Gregorian date,   365 days calendar date to Gregorian date,   Gregorian date to Julian date, ... +14
	Date and Time   Jarvis march,   Timesheet report,   Date Interval Calculator,   Sun position at a given date. Azimuth and elevation table.,   Time Interval Calculator, ... +60
	Health   Coronavirus disease epidemic in different countries,   Body proportionality,   The basal metabolic rate,   Ideal weight calculator using Paul Broca formula,   Daily Calorie Rate, ... +13
Professional 325
	Computers   GET Request String Parser,   Text compression using Huffman coding,   Text Filter with Regex,   Audio Tone Generator Calculator,   Audio file waveform, ... +60
	Engineering   Air Flow Calibration,   Baffle Plate Gap Calculator,   Throat Calculators,   Butterfly Damper Calculator,   Throat Calculator for Cylindrical Tanks, ... +34
	Finance   How much does cash weigh?,   Real interest rate using Fisher equation,   Bank card number validation,   Mortgage calculator,   Tax-Adjusted Deal Profitability Calculator, ... +30
	Image processing   Median filter,   Image color set,   Color image to black and white image,   Jpeg image meta-data,   Image Flip & Rotate, ... +6
	Navigation   Course angle and the distance between the two points on loxodrome (rhumb line).,   Compass, magnetic and true course calculator,   Fuel Consumption Calculator,   Distance through the Earth,   Points of the compass, ... +15
	Statistics   Text fitness (version 2),   Generator of random Russian first and last names and surnames with frequency of occurrence,   Binomial distribution, probability density function, cumulative distribution function, mean and variance,   Sсhorygin similarity coefficient for a series of samples,   Geometric Distribution. Probability density function, cumulative distribution function, mean and variance, ... +32
	Telecommunications   Number of agents in a call center,   PBX channel number calculation,   Morse Code Converter: Translate and Decode Messages,   Morse-ify and Modify., ... +1
	Units converters   MPG to L/100 km Conversion Calculator,   Expressing length through different units,   Conversion of pounds into inches,   Wooden Pack Volume Calculator,   Nautical Units Converter, ... +19
	Сryptography   Average wage сalculation (for Russia),   Calculation of volume, weight or quantity of construction bars,   foil_gain,   Cyrillic, mailto and URL-encoded symbols,   Inkscape SVG cleaner, ... +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   Acid-base titration curves,   Raoult's Second law and the freezing temperature.,   ABV (Alcohol by volume),   pH of a solution calculator,   Chemical equation balancer, ... +20
	Math   Multiway Number Partitioning,   The discriminant,   Circular sector,   Egyptian numbers,   Geometric sequence calculator and problems solver, ... +309
	Physics   Altitude Boiling Point Calculator,   Lifting force of a helium-filled balloon,   Energy Unit Converter: Joules, Kilowatt-Hours, Kilogram-Force per Meter, Horsepower per Hour, Kilocalories,   Determining air humidity with the psychrometric method,   Coulomb's Law Calculator - Solve for Force, Charge, or Distance, ... +61