A Bookmarklet Calculator
If you think about it, it’s really a bit too difficult to do a full-fledged calculator with buttons and a running value on just one long line of code. However, you can use a bookmarklet like Script 17.11 to do fairly complex calculations, using JavaScript’s built-in Math functions, as described in Table 17.1.
| Function | Description |
| abs | Absolute value |
| sin, cos, tan | Standard trigonometric functions; arguments in radians |
| acos, asin, atan | Inverse trigonometric functions; return values in radians |
| exp, log | Exponential and natural logarithm, base e |
| ceil | Returns least integer greater than or equal to argument |
| floor | Returns greatest integer less than or equal to argument |
| min | Returns lesser of two arguments ... |
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