Online calculator catalog
Life 121
	Calendar   Hindu mean lunisolar calendar to Gregorian date,   Week days calculator,   Gregorian to fixed date,   Fixed date to Gregorian date,   Gregorian date to Julian date, ... +14
	Date and Time   Mayan calendar, 2012, the end of the world.,   Travel Duration,   Date to timestamp converter,   Length of service calculation,   Timesheet report, ... +60
	Health   Pregnancy Due Date Predictor,   Daily Calorie Rate,   Coronavirus disease epidemic in different countries,   McDonald's meal nutrition facts,   Ideal weight calculator using Paul Broca formula, ... +13
Professional 325
	Computers   Keyboard layout and password,   Vigenère cipher,   VARIANT DATE to datetime string,   Hartley Information Calculator,   Text compression using Huffman coding, ... +60
	Engineering   Throat Calculator for Cylindrical Tanks,   Wallpaper calculator,   Throat Calculator for Overlapping Cylindrical Tanks,   Coillator 3,   Square Door Tank Volume, ... +34
	Finance   Price Comparison Per Square Meter Calculator,   Progressive tax,   Compound interest,   Compound interest with an equal monthly investment,   How much does cash weigh?, ... +30
	Image processing   Watercolor Filter,   Image color set,   Jpeg image meta-data,   Box filters for image processing,   Median filter, ... +6
	Navigation   Distance between two cities,   Compass, magnetic and true course calculator,   Ford VIN decoder - Line information,   Earth Distance Calculator,   City objects observation, ... +15
	Statistics   Palyi-Kownacki dominance index,   Seasonal Indices for Quarterly Data,   Indicators of variations,   Paired Sample t-Test,   Events timeline, ... +32
	Telecommunications   Morse-ify and Modify.,   Number of agents in a call center,   Morse Code Converter: Translate and Decode Messages,   PBX channel number calculation, ... +1
	Units converters   Speed Converter,   The Decimal to Binary, Hexadecimal, and Octal Converter,   Expressing length through different units,   Pressure units converter,   Display aspect ratio and dimensions, ... +19
	Сryptography   PATHFINDER cipher checker,   Compound interest rate calculator,   Atbash cipher,   Random Race Heat Calculator,   System of nonlinear equations solver, ... +83
Study 419
	Astronomy   Dates of the beginning and end of polar night and polar day at a given latitude,   Zero Shadow Day,   Declination and maximum altitude of the Sun above the horizon on a given date,
	Chemistry   Molar volume,   Peptide calculator,   Dilution of solutions,   Fertilizing,   Molarity to molality and vice versa, ... +20
	Math   Polynomial Taylor Shift,   Volume of liquid in a tilted tank with hemispherical heads,   Euler method,   Arithmetic progression,   Team combinations, with conditions such as team roles and limits, ... +309
	Physics   Conversion of kilograms of gas to cubic meters of gas and vice versa,   Average Compressibility Factor, (dimensionless),   Kinematics. Average Speed Problem Example,   Kinematic Equations for Constant Acceleration Calculator,   Tips and tricks #5: How to show/hide input and output controls in a calculator, ... +61