Data Entry
Nuclei at the start
Nuclei remaining
Time passed during decay
Time for amount to halve
Enter three values and leave one blank to calculate
Results
Initial Amount
—
Final Amount
—
Time Elapsed
—
Half-Life
—
Number of Half-Lives
—
% Remaining
—
Decay Equation:
N = N₀ × (1/2)^(t/t₁/₂)
Or with exponent:
N = N₀ × 0.5^(t/t₁/₂)
N = N₀ × (1/2)^(t/t₁/₂)
Or with exponent:
N = N₀ × 0.5^(t/t₁/₂)