Vedic Maths & Fast Calculation
Master this topic with zero to advance depth.
Ekadhikena Purvena (One more than previous)
Used for squaring numbers ending in 5. E.g., 25┬▓: 2 * (2+1) = 6, then append 25 -> 625.
Nikhilam Navatashcaramam Dashatah
All from 9 and last from 10. Useful for subtraction from base (10, 100, 1000).
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