Watch S1:E9 — Handheld Calculators — Japan's Top Inventions

Japan's Top Inventions

S1 · E9 — Handheld Calculators

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S1:E9 · Handheld Calculators

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Episodes

10 episodes in this season

E1

Conveyor Belt Sushi

E2

Shinkansen

15 min

E3

Automatic Rice Cookers

15 min

E4

Electronic Bidet Toilets

15 min

E5

Quartz Wristwatches

15 min

E6

Instant Ramen

15 min

E7

Portable Music Players

15 min

E8

Gastrocameras

15 min

E9

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Handheld Calculators

15 min