Articles

Remember any number

Guides to the Major System, the code memory champions use, with every number as a picture and its sound.

The Major System

Free printable

The Major System 00–99: every number as a picture

All 100 pictures, each with its sound, and a sheet to print.

Guide

The Major System: learn it with sounds and pictures

What it is, the ten sounds, and how long it takes to learn.

Guide

How to memorise numbers: the method memory champions use

Long numbers, dates and codes, turned into pictures.

Coming soon

Explainer

Major System vs PAO vs Dominic: which should you learn?

The three number systems champions use, side by side.

Coming soon

Best of 2026

The best apps to learn the Major System in 2026

Every app we could find, tested and compared. Memodate is ours, and it's in the list.

Coming soon

Memory

Best of 2026

The best books on memory techniques in 2026

Ranked by what they actually teach, from Moonwalking with Einstein on.

Coming soon

Guide

How to remember dates in history

For GCSE, A-level and AP history: every date as two pictures.

Coming soon

Event

How memory champions train

Ahead of the World Memory Championships in December.

Coming soon

Learn it as a game

Memodate teaches the Major System from scratch, a picture for every number from 00 to 99.