User Manual

USER’S GUIDE — 61
(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