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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.
  • Java-Interval Calculator -- "This page illustrates interval arithmetic through a Java-script 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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