Surrounding text by two asterisks denotes **bold style**; using one asterisk denotes *italic text*,
as does *a single underscore*.

"Climb if you will, but remember that courage and strength are nought without prudence, and that a momentary negligence may destroy the happiness of a lifetime. Do nothing in haste; look well to each step; and from the beginning think what may be the end." - Edward Whymper

```
n = 57
while n != 1:
if n % 2:
n = 3*n + 1
else:
n //= 2
```

Here are some Python keywords: `for`

, `while`

and `lambda`

.

The following *Punnett table* is marked up
in HTML.

Male | |||
---|---|---|---|

A | a | ||

Female | a | Aa | aa |

a | Aa | aa |

The inner planets and their satellites:

- Mercury
- Venus
- Earth
- The Moon

- Mars
- Phoebus
- Deimos

- Symphony No. 1 in C major, Op. 21
- Symphony No. 2 in D major, Op. 36
- Symphony No. 3 in E-flat major ("Eroica"), Op. 55

Here is a link to the Jupyter website.

Some important mathematical sequences are the prime numbers, Fibonacci sequence and the Catalan numbers. ...

My website is http://www.christianhill.co.uk.

Here is a local data file.

An inline equation appears within a sentence of text, as in the definition of the function $f(x) = \sin(x^2)$; displayed equations get their own line(s) between lines of text: $$\int_0^\infty e^{-x^2}dx = \frac{\sqrt{\pi}}{2}.$$