Online calculator catalog
Life 102
	Calendar   Days between dates. The historical version.,   Gregorian date to Julian date,   Fixed date to Gregorian date,   Gregorian to fixed date,   Coptic calendar, ... +8
	Date and Time   Day of week by date,   Days count in several date spans,   Number of working days between two dates (for Russia),   Issue number generator,   Julian and Gregorian calendars, ... +50
	Health   Nagler's ideal weight calculator,   Strength of alcoholic cocktail,   Daily Calorie Rate,   The basal metabolic rate,   Body proportionality, ... +14
Professional 272
	Computers   Network address and subnet mask (IPv4),   List format,   LL1 grammar analysis. Yet another top-down parser generator.,   Keyboard layout and password,   Palette generator, ... +58
	Engineering   Tilted cylindrical tank volume,   Coillator 3,   Trapezoid - Shaped Throat Opening,   Circular Intake/Exhaust Calculator,   Power to the People, ... +57
	Finance   When it becomes profitable to pay the tax as a sole proprietor in Russia?,   Accretion and discounting of annuity payments,   Compound interest with an equal monthly investment,   Simple Interest,   Family budget planner, ... +29
	Navigation   Flag semaphore signals,   Compass Points,   Course angle and the distance between the two points on loxodrome (rhumb line).,   Distance between two cities,   Fuel consumption, ... +17
	Statistics   Text fitness (version 2),   Bernoulli trials table,   Analytical performance indicators,   Log-normal distribution,   Probability of given number success events in several Bernoulli trials, ... +38
	Telecommunications   VOIP call bandwidth,   PBX channel number calculation,   Morse code. Mutator,   Number of agents in call center, ... +1
	Units converters   Cubic meters of wood,   Meters per second and kilometers per hour,   Plane angles measurement systems,   Imperial to Metric and Metric to Imperial measures of length converter,   Pounds to Kilogramms convertion and vice versa, ... +19
	Сryptography   Rail fence cipher,   Substitution cipher tool,   Pangram checker,   A1Z26 cipher,   Index of Coincidence, ... +13
Study 308
	Chemistry   Concentration of analyte with uncertainty analysis for replicate titrations,   Molar volume,   Acid-base titration curves,   pH of a solution calculator,   Peptide dissolution calculator, ... +14
	Math   Combinations of teams,   Complex fraction,   Making up words out of the syllables,   Matrix triangulation calculators,   Сomputer algebra, ... +235
	Physics   Centripetal force,   p-t Graph Analysis,   Space object velocity,   Humidification loads,   Acceleration of gravity, ... +40