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4090
Calculated Industries 4090 User Manual
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P
OCKET
R
EFERENCE
G
UIDE
— 18
Converting D:M:S
Convert 23°42’39” to decimal degrees:
KEYSTROKE
DISPLA
Y
o o
0.
2 3 • 4 2 • 3 9
DMS 23.42.39
Ç •
23.71083°
Finding Sine, Cosine, T
angent
Find Sin 12°, Cos 33°
and T
an 75°:
KEYSTROKE
DISPLA
Y
o o
0.
1 2 S
0.207912
3 3 ç
0.838671
7 5 t
3.732051
18
20
Table of Contents
Table of Contents
3
Key Definitions
5
Dimension Keys
5
Miscellaneous Functions
5
Trig. Keys
6
Pythagorean Theorem Keys
7
Law of Cosines Keys
7
Offset Keys
8
Fan Law Keys
8
Velocity Pressure/Fpm Keys
9
Circle/Arc Keys
10
Column/Cone Key
11
Right Triangle/Roof Framing Keys
11
Stair Layout Key
12
Examples
14
Adding and Subtracting Strings of Dimensions
14
Dividing Dimensions
14
Converting Feet-Inches to Decimal Feet
15
Converting Feet-Inches to Meters and Millimeters
15
Converting Fractions to Decimals (and Vice Versa)
15
Circle Circumference and Area
16
Rectangular Area and Volume
16
Area of a Triangle
17
Volume of a Cylinder
17
Cubed Function
18
Cubed Root
18
Scientific Notation
18
Converting D:M:S
19
Finding Sine, Cosine, Tangent
19
Finding Arcsin, Arccos, Arctan
20
Using Trigonometry to Find Unknown Side
20
Offset Basic Example
21
Law of Cosines/Triangle Area
22
Fan Law 1
23
Fan Law 2
24
Fan Law 3
25
Converting Velocity Pressure
26
Converting FPM
27
Right Angle/Framing
28
Degree of Pitch
28
Angle and Hypotenuse
29
Common Rafter Length
30
Regular Hip/Valley and Jacks
31
Irregular Hip/Valley
32
Stairs
33
Stairs - Given Rise and Run
33
Appendix
34
Preference Settings
34
Battery and Warranty Information
34
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Calculated Industries 4090 Specifications
General
Brand
Calculated Industries
Model
4090
Category
Measuring Instruments
Language
English
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