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Time, Decimal and Sexagesimal Calculations
Conversion between decimal and sexagesimal numbers can be performed,
and, while using sexagesimal numbers, also conversion to seconds and
minutes notation. The four basic arithmetic operations and memory calcula-
tions can be performed using the sexagesimal system. Notation for
sexagesimal is as follows:
12°39’18.05” j 12 [ 39 [ 18.05
→[10] @ :
12.65501389
123.678→[60] 123.678 @ :
123
∂
40
∂
40.8
∂
3h30m45s + 3 [ 30 [ 45 + 6 [
6h45m36s = [60] 45 [ 36 e
10∂16∂21.∂
1234°56’12” + 1234 [ 56 [ 12 +
0°0’34.567” = [60] 0 [ 0 [ 34.567 e
1234∂56∂47.∂
3h45m – 3 [ 45 - 1.69 e
1.69h = [60] @ :
2∂3∂36.∂
sin62°12’24” = [10] v 62 [ 12 [ 24 e
0.884635235
24°→[”] 24 [ I 6
86400.
1500”→[’] 0 [ 0 [ 1500 I 7
25.
Example Key operations Result
12∂34∂56.78∂
degree second
minute
Chapter 3: Scientific Calculations