
Basic Math
Arithmetic
 Basic Math  Practice adding, subtracting, multiplying and dividing numbers.
Fractions, Decimals and Proportions
Roots, Exponents and Logarithms
 Square Root Calculator  "The Square Root Calculator will find the square root of the number you enter."
 Cube And Cube Root Calculator  "This calculator is designed to give the cube and cube root of any number."
 Exponential Expression Calculator  "This JavaScript Calculator will find the product of an exponential expression (as in x raised to the power of y, where y is less than 600). It will handle positive and negative exponents and positive and negative bases."
 A simple Logarithm Calculator  Enter two parameters in the equation b^x=y and compute the appropriate third value. Read the instructions to see how to use the calculator.
Factorials
Modular and Interval Arithmetic
 A Clock (Modular) Arithmetic Calculator  This "clock" calculator does modular arithmetic on a clock instead of a number line. You can add, subtract, and multiply, and you can divide by some numbers.
 JavaInterval Calculator
 "This page illustrates interval arithmetic through a Javascript Interval Calculator. The calculator performs interval arithmetic operations and computers interval version of mathematical functions."
Applications and Resources
 Ratios and Proportions  Definitions, descriptions and examples of ratios and proportions.
 Exponential Rules  Rules for multiplying and dividing exponents, with examples.
 Rules of Logarithms  Rules for multiplying and dividing logarithms, with examples.
 Changing the Base of a Logarithm  "Change of base with respect to logarithms with examples and problems"
 Solving Word Problems  "Solving word problems involving exponential and logarithms functions with examples and problems"
 Math Tables  Theorems, tables, identities, proofs and graphs for general math, algebra, geometry, trig, linear algebra, discrete math, statistics, calculus, and advanced topics.
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