Sight Calc for Pc

1. If you want to do repeated calculations with some of the same numbers, just enter the changed numbers and press ENTER to accept the remembered values from the previous sight reduction.

2. If you already know the value in decimal degrees (e.g., 44.48833), key it in followed by ENTER, then press ENTER again to indicate zero minutes.

3. It does not use Nautical Almanac data, so you must first compute LHA (Local Hour Angle) and declination, and determine your approximate latitude.

4. **NEW in version 1.3: enter North Latitude as a positive number, and South Latitude as a NEGATIVE number.

5. Sight Calc will take the absolute value of Latitude in the law of cosines formula, but needs the hemisphere to calculate Zn.

6. After you enter each value, it will be displayed in decimal degrees in the corresponding register.

7. The sign of Declination is positive if Latitude and Declination are the same sense (both North or both South).

8. After you enter the last value (Dec minutes), Hc and Z will be computed and displayed.

9. Sight Calc is a specialized calculator for the that eases the task of calculating sight reductions via the "Law of Cosines" method.

10. It is designed particularly for students learning celestial navigation, such as the Off-Shore Navigation courses taught by the US Power Squadrons®.

11. If they are different, key the minus sign before the first declination digit.

12. Liked Sight Calc? here are 5 Navigation apps like Toll & Gas Calculator TollGuru; CFI Tools Crosswind Calc F; CFI Tools Crosswind Calculator; Tollsmart Toll Calculator; DistanceCalculator - Map tool;