Flash Anzan - Soroban Math

Numbers flash for an instant, then vanish. Add them in your head.

Flash anzan practice built on the Japanese soroban grading standards — useful whichever abacus programme you study under.

40 LEVELS
Level 1 to Level 40. Every level states exactly what it is:
2 digits × 5 terms · 8s, and so on. Digits, terms and timing come
from the official Japanese grading standards, so the ladder is real
rather than invented. Get 7 of 10 to pass, 5 or 6 for a near pass.

PRACTICE — your own settings
1 to 5 digits, 2 to 30 terms, 0.05 to 5.0 seconds per term.
The slow end really does go to 5 seconds, so beginners fit too.
Subtraction and comma separators are optional.

ONE-MINUTE DRILL
How many can you answer in 60 seconds?
Addition, subtraction, multiplication and division. Just tap the answer.

HOW TO
Four short lessons on what abacus classrooms actually teach:
why words are too slow, the pairs that make 5 and 10, how to move the
abacus into your head, and what to raise in what order.

BREAD COUNT — a break
Count loaves instead of digits. 20 stages, 24 kinds of bread to collect.

DIGITS THAT LOOK RIGHT
The numbers use the handwritten forms taught in abacus classrooms,
not a generic typeface. If you have studied soroban, they will look familiar.

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RECORDS
Every answer is written to the device immediately, so a crash never
loses your progress.

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