Owner manual

Common Rafter
You have a rise of 6 feet 11 inches and
a run of 14 feet 6 inches. Find the com-
mon rafter length.
Steps Keystrokes Display
Reset [Conv] [x] 0.
calculator
1 — Find 1st side (a)
Enter rise 6 [Feet] 11 [Inch]
[Conv]
[] 47.84028 SQ FEET
Put in memory [M+] M 47.84028 SQ FEET
2 — Find 2nd side (b)
Enter run 14 [Feet] 6 [Inch
[Conv]
[] M 210.25 SQ FEET
Put in memory [M+] M 210.25 SQ FEET
Recall total [Rcl] [M+]
memory
M 258.0903 SQ FEET
3 — Solve for 3rd Side (c)
Find common rafter length
[]M 16 0-13/16 FEET INCH
a
b
c
a
2
b
2
+
= c
2
= c
a
2
b
2
+
User’s Guide – 35