Miscellaneous Calculators

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Logarithm Calcuator   Calculates decimal logs, natural logs, binary logarithms and antilogs (inverse logs) for any number base. A very useful and user-friendly logarithm calculator.
Perpetual Calendar (1901 - 2099)   Very user-friendly. Just click on the year you want displayed.

Perpetual Julian Date Calendar  Calculates the Julian Day number and day of the week for dates greater than December 31, 1599.

Traditional Chinese Calendar Years  Learn the animal name (ox, tiger, rabbit, etc.) of any year in the traditional Chinese calendar.

May 28, 585 BC  This is THE oldest most accurately known date in human history.

Slope, Distance and Equation Calculator  This can calculate slope and generate an equaton just from inputting 2 points.
Non-Metric   "Adding Machine"   Adds Feet & Inches, Pounds & Ounces, Quarts & Cups, Minutes & Seconds, etc.
Cricket Chirps and Temperature   Yes, you can calculate temperature by counting cricket chirps.
Exponential Growth Calculator   Solves for Beginning Amount, Ending Amount, Rate and Time.
Exponential Growth Calculator   Same as above but this is based on natural logs.
Factorial and Derangement Calculator   Do you need to know how many different ways you can arrange the letters ABCD or how many ways you can arrange 1234 in which 1 isn't in first position, 2 isn't second. 3 isn't third and 4 isn't fourth? Then visit this calculator.
Combination Calculator   Do you need to know in how many different ways 'r' elements can be selected from a larger set of 'n'? For example, do you need to know in how many ways can you choose 6 numbers from a set of 40? Then visit this calculator.
Number Base Converter   Directly converts from Base 2 through Base 16.
Prime   Factor   Calculator   Determines all the prime factors for any number less than ten billion.
Body   Mass   Index   Calculator   This will accept input in kilograms, stones, pounds, meters, feet and inches.
Music   Chord   Calculator   Click on the key then the chord type and the notes of that chord will be displayed.
Music   Chord   Chart   Two tables - One has notes of every key and the other lists note numbers of each chord.
Put the two together and you have the notes of a chord.
Basic   Calculator   Has the 4 fundamental functions - Addition, Subtraction, Multiplication, Division and does exponentiation, square roots, etc.
Video and Film Frame Calculator   Accepts input for 24, 25, 30, 50 and 60 frames per second.

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