Square-Up 4.75 m (Run) x 3.1 m (Rise):
KEYSTROKE DISPLAY
oo
0.
4.75mR
RUN 4.750
M
3.1mr
RISE 3.100
M
d
DIAG 5.672
M
PITCH — CONvERTING ROOF ANGLE
Find the % Grade, Slope and Pitch in mm if
the roof angle is 30.25°:
KEYSTROKE DISPLAY
oo
0.
30.25p
PTCH 30.25°
p
%GRD 58.31828
p
SLP 0.583183
p
PTCH 7
INCH
M
177.7541
MM
CONvERTING SLOPE
Find the Pitch in Inches and convert to mm,
Pitch Degrees, and Percent Grade if the slope
is 0.625:
KEYSTROKE DISPLAY
oo
0.
.625Qp
(Slope)
SLP 0.625
p
PTCH 7-1/2
INCH
M
190.5
MM
p
PTCH 32.01°
p
%GRD 62.5
COMMON RAFTER LENGTH
Find the point-to-point length of the Common
rafter on a 175 mm pitched roof with a span of
8500 mm. What are the angle cuts?
KEYSTROKE DISPLAY
oo
0.
1. Enter Pitch:
175Mp
PTCH 175.
MM
2. Enter half the span as the run:
8500M*2=
4250.
MM
R
RUN 4250.
MM
3. Find the Rise:
r
RISE 2440.125
MM
4. Find the Length of the Common rafter:
d
DIAG 4900.684
MM
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