Convert Decimal Numbers
Each digit is multiplied by its positional power of the source base and the results are added.
Formula: Decimal value = Ξ£(digit Γ base^position)
Use the exact inputs shown by the calculator and keep units or notation consistent. The displayed formula provides a useful way to review the arithmetic.
Verify the result by reversing the conversion with the reciprocal factor; the original value should be recovered apart from rounding.