Online calculator catalog
Life 121
	Calendar   Armenian calendar,   Indian calendars,   Gregorian to fixed date,   Coptic calendar,   Hindu mean lunisolar calendar to Gregorian date, ... +14
	Date and Time   Time difference,   Clean & Sober Time Tracker,   Azimuth and solar elevation angle,   How much time between two dates?,   Length of service calculation, ... +60
	Health   Nagler's Ideal Weight Calculator,   McDonald's meal nutrition facts,   Ideal Weight Calculator,   Daily Calorie Rate,   The number of packs steroid you need for cycle, ... +13
Professional 322
	Computers   CSV to JSON Mapping Tool,   Log Summarizer,   Shannon Entropy,   Unicode scripts and blocks,   Hartley Information Calculator, ... +60
	Engineering   Walls volume,   Film calculator,   Oval Tank Volume Calculator,   The amount of material for the mesh,   Internal forces diagrams for the two-support beam, ... +34
	Finance   Accrual-Based Compound Interest Calculator,   Unused leave compensation at dismissal,   Price based on running meter,   Percentage,   Mortgage calculator, ... +30
	Image processing   Box filters for image processing,   Digital images parameters comparison,   Color to Grayscale Conversion,   Watercolor Filter,   Jpeg image meta-data, ... +6
	Navigation   Ford VIN decoder - Line information,   Fuel consumption,   Compass Points,   Flag Semaphore Translator,   Course angles and distance between the two points on the orthodrome(great circle), ... +15
	Statistics   Binomial distribution, probability density function, cumulative distribution function, mean and variance,   Palyi-Kownacki dominance index,   Z-score from P-value,   Text fitness (version 2),   Events timeline, ... +32
	Telecommunications   PBX channel number calculation,   Number of agents in a call center,   VOIP call bandwidth,   Morse-ify and Modify., ... +1
	Units converters   Expressing length through different units,   Speed Converter,   Plane angles measurement systems,   Pounds to kilograms conversion and vice versa,   Cubic meters of wood, ... +19
	Сryptography   ODT Data Extractor,   Atbash cipher,   Tips and tricks #4: How to make calculator with table output,   Torricelli's law (fluid dynamics),   Amount of timber for the house, ... +80
Study 419
	Astronomy   Declination and maximum altitude of the Sun above the horizon on a given date,   Dates of the beginning and end of polar night and polar day at a given latitude,   Shadow length,
	Chemistry   Chemical equation balancer,   Concentration of analyte with uncertainty analysis for replicate titrations,   Mixing solutions of different concentrations,   Finding the reactions for the chain of transformations,   Molarity to molality and vice versa, ... +20
	Math   Tank volume,   Area-to-Radius Calculator,   Ball Volume to Radius Calculator,   Egyptian fractions,   Fraction to Percent and Percent to Fraction Calculator, ... +309
	Physics   Battery discharge time depending upon load,   Space object velocity,   Dynamics. Acceleration of an resultant force,   Petroleum product density,   Capacitor in Direct Current Circuit, ... +61