Learn: Major System
See the number. Recall the word. Tap to check. No peeking.
1 / 100
跳到任意数字
看数字，想象词语，点击查看。方向键也可用。
The first 12 pairs cover the first four six-digit scenes of pi: 314159, 265358, 979323, 846264.
Learn those 12 words and you have the story for the first 24 digits. Then add the next scene.
