Online calculator catalog
Life 120
	Calendar   Fixed date to Gregorian date,   Gregorian date to Julian date,   Gregorian date to Hindu mean solar calendar,   Ethiopian calendar,   Days between dates. The historical version., ... +14
	Date and Time   The Muslim calendar. The Gregorian calendar conversion,   Julian days calculation,   Time difference,   Time percentage,   Timer, ... +59
	Health   Body Proportions Calculator,   Strength of alcoholic cocktail,   The basal metabolic rate,   Body proportionality,   Nagler's Ideal Weight Calculator, ... +13
Professional 247
	Computers   Unique words count,   The Phone Number Extractor,   LL1 grammar analysis. Yet another top-down parser generator.,   Palette generator,   Repeated Word Heatmap, ... +60
	Engineering   Shipment weight,   Laminate flooring. The calculation of the number of planks,   Liquid level in the tilted cylinder,   Grain Drying with Natural Air,   Power to the People, ... +32
	Finance   Real interest rate using Fisher equation,   Calculation of payments on corporate property tax,   Inflation in Russia,   Annuity Calculator,   Family budget planner, ... +30
	Image processing   Image color set,   Image Flip & Rotate,   Color to Grayscale Conversion,   Jpeg image meta-data,   Box filters for image processing, ... +6
	Navigation   Points of the compass,   Compass, magnetic and true course calculator,   Prospect distance from the ground and line of sight distance between two observers,   Fuel consumption,   Earth Radius by Latitude (WGS 84), ... +15
	Statistics   Log-normal distribution,   Two sample t-Test,   Exponential Moving Average,   Exponential smoothing,   Poisson Distribution. Probability density function, cumulative distribution function, mean and variance, ... +27
	Telecommunications   Morse Code Converter: Translate and Decode Messages,   VOIP call bandwidth,   Morse-ify and Modify.,   Number of agents in a call center, ... +1
	Units converters   Ton-kilometer. Conversion based on the cost of a kilometer,   Pounds to kilograms conversion and vice versa,   Russian Length Unit Converter,   Degrees-minutes-seconds to decimal degrees conversion and vice versa.,   Number of flagstones to units of area and vice versa, ... +19
	Сryptography   Caesar cipher with numbers,   Gravity Falls Bill's symbol substitution cipher decoder,   Kasiski test,   Index of Coincidence,   Pangram checker, ... +12
Study 387
	Chemistry   Convert moles to liters and liters to moles,   Convert grams to moles and moles to grams,   The Chemical Reaction Search Calculator,   Peptide calculator,   Molar Mass Calculator, ... +16
	Math   Circular sector,   Combinations generator,   Regular Circumcircle Polygon Area Calculator,   Сomputer algebra,   Equation of a circle passing through 3 given points, ... +299
	Physics   Tips and tricks #5: How to show/hide input and output controls in a calculator,   Space object velocity,   The Speed of Sound Calculator for Ideal Gases,   Dew Point Calculator,   Battery discharge time depending upon load, ... +49