Online calculator catalog
Life 120
	Calendar   Gregorian to fixed date,   Days between dates. The historical version.,   Armenian calendar,   Ethiopian calendar,   Roman calendar, ... +14
	Date and Time   Date by the Julian Day Number,   Gregorian date to 365 days calendar,   Sun position at a given date. Azimuth and elevation table.,   How many workdays between two dates?,   Time. Total sum, ... +59
	Health   Nagler's ideal weight calculator,   The basal metabolic rate,   Ideal weight calculator using Paul Broca formula,   Lorenc formula of an ideal weight,   Coronavirus disease epidemic in different countries, ... +13
Professional 245
	Computers   Repeated Word Heatmap,   Gray code converters,   Substitution cipher tool,   List format,   Shannon Entropy, ... +60
	Engineering   Throat Calculators,   Number of flagstones for paving,   Butterfly Damper Calculator,   Oval Tank Volume Calculator,   Prueba2, ... +31
	Finance   Percentage,   Nominal interest rates сomparison,   Compound interest at a certain number of days,   Compound interest with an equal monthly investment,   Russian Central Bank Currency Rates, ... +30
	Image processing   Color to Grayscale Conversion,   Color image to black and white image,   Median filter,   Morphological filters,   Watercolor effect, ... +5
	Navigation   Russia's regional registration plates,   Prospect distance from the ground and line of sight distance between two observers,   Distance through the Earth,   Course angles and distance between the two points on the orthodrome(great circle),   Points of the compass, ... +15
	Statistics   Text fitness,   Analytical performance indicators,   Number to Probability,   Chande momentum oscillator indicator,   Indicators of variations, ... +27
	Telecommunications   Number of agents in a call center,   Morse code. Mutator,   VOIP call bandwidth,   PBX channel number calculation, ... +1
	Units converters   Conversion of pounds into inches,   Conversion between imperial and metric units of area,   Exotic length units,   Ton-kilometer. Conversion based on the cost of a kilometer,   Nautical measurement units, ... +19
	Сryptography   A1Z26 cipher,   Standard Galactic Alphabet decoder,   Gravity Falls Author's symbol substitution cipher decoder,   Substitution cipher decoder,   Caesar cipher with numbers, ... +12
Study 386
	Chemistry   Molar volume,   Alcohol amount in the aqueous alcohol solution,   Concentration of analyte with uncertainty analysis for replicate titrations,   Peptide dissolution calculator,   ABV (Alcohol by volume), ... +15
	Math   Gaussian elimination,   Math equation simplification,   Equilateral triangle,   Egyptian fractions,   Bin packing problem, ... +299
	Physics   Projection,   Direct measurement error analysis,   Thermodynamics – calculator for solving mixing problems,   Kinematics Problem: Ball Thrown Straight Up,   Wind energy and wind power, ... +50