Online calculator catalog
Life 102
	Calendar   Roman calendar,   Fixed date to Gregorian date,   ISO calendar,   365 days calendar date to Gregorian date,   Armenian calendar, ... +7
	Date and Time   Time. Total sum,   Gregorian date to 365 days calendar,   Monthly issue number generator,   Date and number of working days (for Russia),   Azimuth and solar elevation angle, ... +51
	Health   Daily Needs Calorie Rate,   Lorenc formula of ideal weight,   Ideal weight calculator using Body Mass Index,   Pregnancy Due Date,   McDonald's meal nutrition facts, ... +14
Professional 264
	Computers   Select a phone number from the text,   Split list items according to regular expression,   Substitution Cipher Tool,   Unique words count,   Specific Conditional Entropy, ... +55
	Engineering   Calculation of the volume by weight,   Square Stack Calculator,   Flow Rate and Pressure Drop of Gas Through a Pipeline,   Volume of the cylinder segment,   Calculation of weight by volume, ... +57
	Finance   Inflation in Russia,   Deal profitability analysis ,   Commission calculator,   Compound interest with an equal monthly investment,   Calculation of payments on corporate property tax, ... +29
	Navigation   Distance between two cities,   Nautical measurement units,   Region determination by the registration plate,   Flag semaphore signals,   Ford VIN decoder - Line information, ... +17
	Statistics   Lagged scatterplot,   Binomial distribution, probability density function, cumulative distribution function, mean and variance,   Exponential smoothing,   Two sample t-Test,   Poisson Distribution. Probability density function, cumulative distribution function, mean and variance, ... +34
	Telecommunications   Morse Code,   PBX channel number calculation,   Number of agents in call center,   VOIP call bandwidth, ... +1
	Units converters   Display aspect ratio and dimensions,   Conversion of pounds into inches,   Inches to pixels and pixels to inches converter,   Math operations on degrees,   Conversion between imperial and metric units of area, ... +19
	Сryptography   Isogram checker,   Vigenère cipher,   Caesar cipher with numbers,   A1Z26 cipher,   Rail fence cipher, ... +12
Study 308
	Chemistry   Convert moles to grams and grams to moles.,   Fertilizing,   ABV (Alcohol by volume),   Molar mass of the substance,   Dilution calculator and problems solver, ... +14
	Math   The greatest common divisor of two integers,   Circumcircle of a triangle ,   Complex fraction,   3d coordinate systems,   Solution of nonhomogeneous system of linear equations using matrix inverse, ... +235
	Physics   Free fall. Distance passed task.,   Space object velocity,   Complementary color,   Power into torque, and vice versa,   Saturation vapour pressure, ... +40