From 04c6a4b250569e8f9b27fd206d627fa7055a58bb Mon Sep 17 00:00:00 2001
From: Evgeniy Unzhakov <unzhakov_ev@pnpi.nrcki.ru>
Date: Fri, 17 Apr 2026 12:52:19 +0300
Subject: [PATCH] Output csv precision fix

Switched to 4 decimal digits.
---
 beta_spectrum/spectrum.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/beta_spectrum/spectrum.py b/beta_spectrum/spectrum.py
index 0932cb5..eab4529 100644
--- a/beta_spectrum/spectrum.py
+++ b/beta_spectrum/spectrum.py
@@ -403,7 +403,7 @@ class BetaSpectrumAnalyzer:
         import pandas as pd
 
         df = pd.DataFrame(data)
-        df.to_csv(filename, index=False, float_format="%.3e")
+        df.to_csv(filename, index=False, float_format="%.4e")
         print(f"Spectrum exported to {filename}")
 
     def get_data(self) -> Dict: