Online calculator catalog
Life 94
	Calendar   Coptic calendar,   Roman calendar,   Days between dates. The historical version.,   Ethiopian calendar,   365 days calendar date to Gregorian date, ... +7
	Date and Time   Week number of a given date,   Date to timestamp converter,   World time,   How many weeks are between two dates,   Date calculator, ... +49
	Health   The number of packs steroid you need for cycle,   Body proportionality,   Proportionality of body — McCallum's formula,   Determination of the baby's sex,   McDonald's meal nutrition facts, ... +14
Professional 255
	Computers   Repeated Word Heatmap,   List Join,   String to list converter,   Conditional entropy,   Repeated Word Heatmap, ... +56
	Engineering   Boiling point dependence on the altitude above sea level,   Calculation of weight by volume,   Values of one-variable function,   Derivative,   Coillator 3, ... +56
	Finance   Russian Central Bank Currency Rates,   Family budget planner,   The calculation of amortization for tax purposes,   Unused leave compensation at dismissal,   Simple Interest Daily Rate, ... +29
	Navigation   Region determination by the registration plate,   Compass Points,   Ford VIN decoder - Line information,   Distance across the surface vs distance through the Earth,   Fuel consumption, ... +17
	Statistics   Indicators of variations,   Geometric Distribution. Probability density function, cumulative distribution function, mean and variance,   Weighted moving average,   Seasonal Indices for Quarterly Data,   Text fitness (version 3), ... +28
	Telecommunications   PBX channel number calculation,   Morse Code,   Morse code. Mutator,   Number of agents in call center, ... +1
	Units converters   Cubic meters of wood,   Conversion of pounds into inches,   Conversion between metric units of length and old Russian system of measures units of length,   Inches to pixels and pixels to inches converter,   Area expression with different units, ... +18
	Сryptography   Kasiski test,   Substitution cipher breaker,   Standard Galactic Alphabet decoder,   A1Z26 cipher,   Rail fence cipher, ... +10
Study 300
	Chemistry   Peptide calculator,   Peptide dissolution calculator,   Molarity calculator,   ABV (Alcohol by volume),   Peptides dissolution calculator., ... +12
	Math   Eigenvalue calculator,   Complex polynomial value calculation,   Two argument arc tangent,   Quick Sum Calculator,   Bin packing problem 2, ... +231
	Physics   Angular velocity and linear velocity,   Saturation vapour pressure,   Energy measurement units,   Sound Speed in Gases,   Tips and tricks #5: How to show/hide input and output controls in a calculator, ... +38