% Calculate
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% 

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, 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 enters 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.