Update README.md

shartrec · Dec 11, 2017 · 6ebc176 · 6ebc176
1 parent c7e6bde
commit 6ebc176
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -6,7 +6,11 @@ Java class to calculate magnetic declination, magnetic field strength, inclinati
 // Create instance
 Geomagnetism gm = new Geomagnetism(123.45678, 76.54321);
 System.out.printf("Declination: %f\n", gm.getDeclination());
-// Update instance
-gm.calculate(98.76543, 12.34567);
+
+// Create a calendar for calculation
+Calendar calendar = Calendar.getInstance();
+calendar.set(2017, 6, 1); // 2017 July 01
+// Update instance wit altitude and date apart from location
+gm.calculate(98.76543, 12.34567, 1234, calendar);
 System.out.printf("Declination: %f\n", gm.getDeclination());
 ```