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90 — S
HEET METAL/HVAC PRO CALC
(Cont’d)
KEYSTROKE DISPLAY
2. Find Hip/Valley rafter length and cut angles:
H H/V 12 FEET 10-1/2 INCH
H PLMB 22.41512°
H LEVL 67.58488°
H CHK1 45.°
3. Find Jack rafter lengths and cut angles:
j JKOC 16 INCH*
j JK1 8 FEET 2-3/8 INCH
j JK2 6 FEET 7-7/8 INCH
j JK3 5 FEET 1-3/8 INCH
j JK4 3 FEET 6-13/16 INCH
j JK5 2 FEET 0-5/16 INCH
j JK6 0 FEET 5-13/16 INCH
j JK7 0 FEET 0 INCH
j PLMB 30.25644°
j LEVL 59.74356°
j CHK1 45.°
*Note: If display does not read JKOC 16 INCH (the default), then enter 16 Inches
prior to beginning calculation (e.g., 1 6 i j).
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