Online calculator catalog
Life 121
	Calendar   Hindu mean solar calendar to Gregorian date,   Hindu mean lunisolar calendar to Gregorian date,   Gregorian date to Julian date,   Indian calendars,   ISO calendar, ... +14
	Date and Time   Mayan calendar, 2012, the end of the world.,   Week Number Calculator,   Date weeks out or before,   Hebrew calendar,   Timer, ... +60
	Health   Ideal Weight Calculator,   McDonald's meal nutrition facts,   Weathering of alcohol concentration in the blood,   Proportional Body Calculator: McCallum's Formula,   Daily Calorie Rate, ... +13
Professional 325
	Computers   Keyboard layout and password,   Conversion of fractional numbers between numeral systems,   Symbol Generator,   Shannon-Fano coding calculator,   URL Domain Name Frequency Calculator, ... +60
	Engineering   Grain Drying with Natural Air,   Square Stack Calculator,   Flow Rate and Pressure Drop of Gas Through a Pipeline,   Calculation of weight by volume,   Humindex, ... +34
	Finance   Simple Interest,   How much does cash weigh?,   Inflation in Russia,   Price Comparison Per Square Meter Calculator,   Labor retirement pension amount (for Russia), ... +30
	Image processing   Color to Grayscale Conversion,   Color image to black and white image,   Image Flip & Rotate,   Watercolor Filter,   Morphological filters, ... +6
	Navigation   Distance through the Earth,   Tidal gate calculator (Rule of twelfths),   Russia's regional registration plates,   Course angle and the distance between the two points on loxodrome (rhumb line).,   Points of the compass, ... +15
	Statistics   Cuba World Development Indicators 2016 - in memory of Fidel Castro,   Geometric Distribution. Probability density function, cumulative distribution function, mean and variance,   Number to Probability,   Seasonal Indices for Quarterly Data,   Negative Binomial 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   Digital image size in pixels and photo print size,   Russian Length Unit Converter,   Speed Converter,   Inches to Pixels and Pixels to Inches Converter,   Wooden Pack Volume Calculator, ... +19
	Сryptography   Tips and tricks #10: Files, long calculation mode,   Conversion of share to percentage of total,   Kinetic energy in classical and relativistic mechanics,   Compound interest deposit term calculator,   Standard Galactic Alphabet decoder, ... +83
Study 419
	Astronomy   Dates of the beginning and end of polar night and polar day at a given latitude,   Zero Shadow Day,   Shadow length,
	Chemistry   Molar Mass Calculator,   Concentration of analyte with uncertainty analysis for replicate titrations,   Alcohol amount in the aqueous alcohol solution,   Peptide dissolution calculator,   Molarity to molality and vice versa, ... +20
	Math   Arithmetic sequence calculator and problems solver,   Derivative,   Square-free polynomial factorization in finite field,   Trilateration,   Angle between two vectors, ... +309
	Physics   Lifting force of a helium-filled balloon,   Wind Energy and Wind Power Calculator,   Altitude Pressure Calculator,   Buoyant Force Calculator - Weight of Displaced Liquid,   Sound Doppler Shift Calculator, ... +61