Back to Guṇitasamuccayaḥ
गुणितसमुच्चयः
Learn: Guṇitasamuccayaḥ
The digit sum of a product equals the digit sum of the product of the individual digit sums — a verification tool.
Live Demo— animated step-by-step
Verify a multiplication answer
Use digit roots to check whether a multiplication result is plausible.
1
Verify a multiplication answer
Use digit roots to check whether a multiplication result is plausible.
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⚡ Speed Advantage
Vedic
3 steps
Traditional
6 steps
2× faster with Vedic Mathematics