• Type an expression in the box below and press enter to evaluate

• You can define variables and reference them later (ex: "amount = 1423")

• "ans" is a magic variable which always holds the result of the last successful evaluation

• You can use any function/constant which is part of JavaScript's Math Object (ex: "round(pow(PI, 3))")

• You can click on a previous result to copy it to the input box. Alternatively use up/down and enter.

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The following commands are available:

• clear   - erases all history and saved variables

• vars    - lists all defined variables and their values

• help    - view this help information