Online calculator catalog
Life 121
	Calendar   Gregorian to fixed date,   365 days calendar date to Gregorian date,   Indian calendars,   Days between dates. The historical version.,   Week days calculator, ... +14
	Date and Time   Russian non-working days,   Jarvis march,   Gregorian calendar. Julian calendar. The calendar eras.,   The Muslim calendar. The Gregorian calendar conversion,   Time scales, ... +60
	Health   The number of packs steroid you need for cycle,   Daily Calorie Rate,   Lorenc Ideal Weight Calculator,   Brunhard's formula ideal weight calculator,   Proportional Body Calculator: McCallum's Formula, ... +13
Professional 325
	Computers   List Join,   GET Request String Parser,   Repeated Word Heatmap,   Count the number of words,   Bit length, ... +60
	Engineering   Throat Calculator for Cylindrical Tanks,   Pipe Wall Thickness,   Butterfly Damper Calculator,   Air Flow Calibration,   Liquid level in the tilted cylinder, ... +34
	Finance   Tax deductions from personal income tax,   Compound interest at a certain number of days,   How much does cash weigh?,   Effective Interest Rate Calculator,   Progressive tax, ... +30
	Image processing   Morphological filters,   Watercolor Filter,   Image color set,   Digital images parameters comparison,   Image Flip & Rotate, ... +6
	Navigation   Distance between two cities,   Earth Distance Calculator,   Russia's regional registration plates,   Cost of one hour (or kilometer),   Points of the compass, ... +15
	Statistics   Seasonal fluctuations. Seasonal indices. Method of simple averages,   Text fitness (version 3),   Exponential Moving Average,   Exponential smoothing,   Z-score from P-value, ... +32
	Telecommunications   VOIP call bandwidth,   Morse-ify and Modify.,   Number of agents in a call center,   Morse Code Converter: Translate and Decode Messages, ... +1
	Units converters   Russian Length Unit Converter,   Pressure units converter,   The Decimal to Binary, Hexadecimal, and Octal Converter,   Number of flagstones to units of area and vice versa,   Area Converter, ... +19
	Сryptography   Russian text typed in English letters,   Calculate weights of the mixtures to get desired final mixture concentration,   Kinetic energy in classical and relativistic mechanics,   Caesar cipher with numbers,   New customs duties on import of cars by individuals, ... +83
Study 419
	Astronomy   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,   Zero Shadow Day,
	Chemistry   Molar Mass Calculator,   Concentration of analyte with uncertainty analysis for replicate titrations,   Dilution of solutions,   Mixing solutions of different concentrations,   Acid-base titration curves, ... +20
	Math   Factor Pairs Generator,   Greatest common divisor of several polynomials,   Division of factorials,   Bézout coefficients,   Levenshtein Distance, ... +309
	Physics   Hydrostatic pressure,   Change in volume of liquid under pressure (compressibility),   The waves and the wind. Calculation of wave characteristics,   Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.,   Coulomb's Law Calculator - Solve for Force, Charge, or Distance, ... +61