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Horizontal sundial calculations: Difference between revisions
→{{header|Microsoft Small Basic}}
Line 1,354:
=={{header|Microsoft Small Basic}}==
{{trans|ALGOL-68}}
<lang microsoftsmallbasic>
TextWindow.Write("Enter latitude => ")
lat = TextWindow.ReadNumber()
TextWindow.Write("Enter longitude => ")
lng = TextWindow.ReadNumber()
TextWindow.Write("Enter legal meridian => ")
ref = TextWindow.ReadNumber()
sLat = Math.Sin(Math.GetRadians(lat))
TextWindow.WriteLine("")
TextWindow.Write(" sine of latitude: ")
TextWindow.WriteLine(Math.Round(sLat * 10000) / 10000)
TextWindow.Write(" diff longitude: ")
TextWindow.WriteLine(lng - ref)
TextWindow.WriteLine("")
TextWindow.WriteLine("Hour, sun hour angle, dial hour line angle from 6am to 6pm")
For hour = -6 To 6
hourAngle = 15 * hour
hourAngle = hourAngle - (lng - ref) ' correct for longitude difference
hourLineAngle = math.GetDegrees(Math.ArcTan(sLat * Math.Tan(Math.GetRadians(hourAngle))))
TextWindow.Write("HR=")
TextWindow.CursorLeft = 3 + (3 - Text.GetLength(hour))
TextWindow.Write(hour)
TextWindow.Write("; HRA=")
TextWindow.CursorLeft = 12 + (6 - Text.GetLength(hourAngle))
TextWindow.Write(hourAngle)
TextWindow.Write("; HLA=")
TextWindow.CursorLeft = 24 + (4 - Text.GetLength(Math.Floor(hourLineAngle)))
TextWindow.Write(Math.Round(hourLineAngle * 1000) / 1000)
TextWindow.WriteLine("")
EndFor
</lang>
{{out}}
Enter latitude => -4.95
Enter longitude => -150.5
Enter legal meridian => -150
sine of latitude: -0.0863
diff longitude: -0.5
Hour, sun hour angle, dial hour line angle from 6am to 6pm
HR= -6; HRA= -89.5; HLA= 84.225
HR= -5; HRA= -74.5; HLA= 17.283
HR= -4; HRA= -59.5; HLA= 8.334
HR= -3; HRA= -44.5; HLA= 4.847
HR= -2; HRA= -29.5; HLA= 2.795
HR= -1; HRA= -14.5; HLA= 1.278
HR= 0; HRA= 0.5; HLA= -0.043
HR= 1; HRA= 15.5; HLA= -1.371
HR= 2; HRA= 30.5; HLA= -2.91
HR= 3; HRA= 45.5; HLA= -5.018
HR= 4; HRA= 60.5; HLA= -8.671
HR= 5; HRA= 75.5; HLA= -18.451
HR= 6; HRA= 90.5; HLA= 84.225
=={{header|МК-61/52}}==
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