01 — New Numbers

Twelve numbers.

Most people can only hold 7 things in working memory. Give each number a color, shape, and sound — and it sticks.

press to hear

02 — How it works

Three senses.

◉
Color
RYB wheel
◆
Shape
origami inspired
♩
Sound
12-tone chromatic scale
Count by 1
10 (= 12 in normal numbers)
Same fraction, simpler decimal
The fraction
1/4
=
Base 10
2.5/10
=
Base 12
3/12

03 — Sound signatures

Every number has
a unique wave.

Press button to Play chord

04 — Arithmetic

Watch numbers
transform.

+
Select two digits above

04 — Color & Sound

Two wheels.

Color wheel

Each digit gets a color — primes get primary/secondary colors. Complementary colors (opposites) are super bold. Analogous (color neighbors) are calm.

Circle of fifths

All 12 musical notes arranged by how harmonious they sound together. The dashed star connects the most consonant intervals. Click any node to hear its note.