Lab & uncertainty · Closed-form
Poisson stats
√N counting errors
Poisson stats
- σ=√N
- 10.0000
- rel error
- 0.100000
Closed-form or algebraic result. Invalid inputs show an error. Check against your own derivation. FrameCalc is educational software. Results are for study and comparison, not medical, radiation-protection, or engineering sign-off. Fusion tools are models, not device predictions. Accuracy · Legal