Online calculator catalog
Life 123
	Calendar   Gregorian date to Hindu mean solar calendar,   Hindu mean solar calendar to Gregorian date,   Armenian calendar,   ISO calendar,   Days between dates. The historical version., ... +14
	Date and Time   Old Russian (Byzantine) system of chronology,   The Muslim calendar. The Gregorian calendar conversion,   Julian days calculation,   How many weeks are between two dates?,   Moonphases, ... +60
	Health   Body Proportions Calculator,   McDonald's meal nutrition facts,   The number of packs steroid you need for cycle,   Weathering of alcohol concentration in the blood,   Proportional Body Calculator: McCallum's Formula, ... +13
Professional 325
	Computers   Base 64 encoding and decoding,   Count the number of words,   Text Formatter,   Relative luminance and contrast ratio,   Email Finder, ... +60
	Engineering   Square Stack Calculator,   Shipment weight,   Trapezoid - Shaped Throat Opening,   Wallpaper calculator,   Butterfly Damper Calculator, ... +34
	Finance   Real interest rate using Fisher equation,   Calculation of payments on corporate property tax,   Mortgage calculator,   Cost per unit of volume,   Tax deductions from personal income tax, ... +30
	Image processing   Color image to black and white image,   Digital images parameters comparison,   Median filter,   Color to Grayscale Conversion,   Box filters for image processing, ... +6
	Navigation   Russia's regional registration plates,   Flag Semaphore Translator,   Cost of one hour (or kilometer),   Points of the compass,   City objects observation, ... +15
	Statistics   Text fitness (version 3),   Palyi-Kownacki dominance index,   Weighted moving average,   Triple exponential smoothing,   Seasonal fluctuations. Seasonal indices. Method of simple averages, ... +32
	Telecommunications   Morse-ify and Modify.,   VOIP call bandwidth,   PBX channel number calculation,   Morse Code Converter: Translate and Decode Messages, ... +1
	Units converters   MPG to L/100 km Conversion Calculator,   Pounds to kilograms conversion and vice versa,   Conversion between imperial and metric units of area,   Height in the old Russian system of measures,   Pressure units converter, ... +19
	Сryptography   Tips and tricks #4: How to make calculator with table output,   piscina,   Pigpen cipher decoder,   Old Russian money,   Alphabet, ... +83
Study 419
	Astronomy   Declination and maximum altitude of the Sun above the horizon on a given date,   Shadow length,   Zero Shadow Day,
	Chemistry   Dilution calculator and problems solver,   Peptide calculator,   Raoult's Second law and the freezing temperature.,   Molar volume,   pH of a solution calculator, ... +20
	Math   Mod calculator,   Cone development,   Determinant of 3x3 matrices,   The diagonals of a parallelogram,   Altitude of a triangle, ... +309
	Physics   Power into torque, and vice versa,   Density of air as a function of pressure and temperature,   Average Compressibility Factor, (dimensionless),   Balloon lifting force,   Saturation vapor pressure, ... +61