Tim Warriner

Welcome to my website. Here are some of the things I have written over the years:

A book about waves

A free PDF book that explains the basics of mathematical waves and signals in an easy-to-understand way. It will be useful if you want to learn about waves for maths, programming, signal processing or music: my book about waves

Storing data and messages in playing cards

How to store and encrypt binary data and messages into a deck of 52 playing cards (or into any group of items that has a predefined order): my method for storing data in playing cards

An explanation of binary and hexadecimal

A free PDF lesson that explains the basics of binary, hexadecimal, and how computers store numbers: my binary and hex explanation

Bullseye game show

Lots of information and pictures about the game show Bullseye with Jim Bowen, including a list of all the charity throwers: my Bullseye page

A way of remembering playing cards

How to remember which cards have been dealt from a pack of cards by using binary and hexadecimal: my method for remembering playing cards

A free beginner's guide to the Janome 1200d

A free PDF book that explains how to use the Janome 1200d overlocker (serger) and coverstitcher: my Janome 1200d guide

Dismantling a Chubb Manifoil combination lock

Some pictures showing the disassembly and reassembly of a second-hand Chubb Mark 4 Manifoil lock: my Chubb Manifoil page

Removing the mysteries of e

An explanation of why Imaginary powers of e behave the way they do: my e explanation

How to calculate the highest common divisor

A method for calculating the highest common divisor (greatest common factor) of two numbers: my highest common divisor page


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