Online calculator catalog
Life 57
	Calendar   Time difference,   Mayan calendar, 2012, the end of the world.,   Gregorian calendar. Julian calendar. The calendar eras.,   Date by the Julian Day Number,   Week number of a given date, ... +16
	Date and Time   Use of Time Summary,   Mayan calendar, 2012, the end of the world.,   Time difference,   Sun position at a given date. Azimuth and elevation table.,   Date plus days, ... +41
	Health   The basal metabolic rate,   Ideal weight calculator using Paul Broca formula,
Professional 168
	Computers   Playfair cipher,   VARIANT DATE to datetime string,   Substitution Cipher Tool,   Vigenère cipher,   Count the number of words, ... +18
	Engineering   Usable volume of tank,   Volume of the cylinder segment,   One-variable function graph,   Geometric progression,   Cylindrical tank volume, ... +50
	Finance   Nominal interest rates сomparison,   Price based on running meter,   Simple Interest,   Family budget planner,   Loan payment example, ... +11
	Navigation   Course angles and distance between the two point on the orthodrome(great circle),   Prospect distance from the ground and line of sight distance between two observers,   Sunrise and sunset time,   Earth Radius by Latitude (WGS 84),   Flag semaphore signals, ... +12
	Statistics   Histogram,   Z-score from P-value,   Time Series Decomposition,   Exponential smoothing,   Triple exponential smoothing, ... +39
	Telecommunications   PBX channel number calculation,   Number of agents in call center,   VOIP call bandwidth,
	Units converters   Converting degrees to radians,   Number of flagstones to units of area and vice versa,   Conversion of pounds into inches,   Binary, inverse and complement codes,   Number of days in a year, ... +14
Study 290
	Astronomy   Shadow length,   Azimuth and solar elevation angle,   Julian Day,   Sun position at a given date. Azimuth and elevation table.,   Sunrise and sunset calculator, ... +2
	Chemistry   Molar volume,   Convert moles to liters and liters to moles,   Chemical equation balancer,   Clapeyron-Mendeleev equation. The relationship between the number of moles of gas, the temperature, volume and pressure.,   Convert grams to liters and liters to grams, ... +7
	Math   Characteristic polynomial,   Ball radius calculated by volume,   Two argument arc tangent,   Matrix Multiplication,   Synthetic division, ... +220
	Physics   Projection,   Battery discharge time depending on load,   Humidification loads,   Angular velocity and linear velocity,   Boiling point dependence on the altitude above sea level, ... +42