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# Calculate

## About

## Using Calculate

For those who have used a scientific calculator, most of the functions of Calculate will be quite familiar.

The Toolbars are

- Activity, Calculate icon: Name session, Journal entry description, collaborate
- Edit, scissors icon: Copy, Paste
- Functions, {x}: Square, square root, reciprocal, exponential, power, logarithm, factorial
- Trigonometry, triangle icon: sin, cos, tan, sin-1, cos-1, tan-1, sinh, cosh, tanh
- Boolean, Venn diagram icon: and, or, =, !=
- Constants, Greek letters icon: pi, e, gamma, phi
- Plot: Hover menu offers Help
- Degrees/Radian angle measure
- Scientific/Engineering notation
- Number of digits to show: 6, 9, 12, 15
- Base: Decimal, binary, octal, hex
- Exit

## Getting help

To see a help option for plot, enter the command

`help(plot)`

on the text entry line.

The general help function is

`help()`

The list of help topics is available with the command

`help(index)`

including topics not supported on the menus. Help is not provided for the constants pi, e, gamma (Euler-Mascheroni Constant) and phi (Golden Ratio), but these can be looked up on the Internet. Clicking their icons inserts their numeric values.

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