Calculated Industries 4090 - Manual (Page 62)

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(Cont’d)
KEYSTROKE DISPLAY
1. Enter side a, b, and c:
o o 0.
8 f 2 i 3 / 8 Ç 4 A 8
FEET
2-3/8
INCH
4 2 i Ç 5 B 42
INCH
6 f 1 0 i Ç 6 C 6
FEET
10
INCH
2. Calculate and input Theta by subtracting Degree “A” (found by the
Law of Cosines) from known angle of 180°:
1 8 0 – Ç 9 /_ A 99.94554°
= 80.05446 (Theta θ)
p /_ Ø 80.05446°
3. Recall stored “c” and input as “r”:
® 6 = d R 6
FEET
10
INCH
4. Calculate “x”:
R X 1
FEET
2-3/16
INCH
5. Calculate “y”:
r Y 6
FEET
8-3/4
INCH
STORED
STORED
STORED