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DT220
Reference manual
Sonin DT220 Reference Manual
Professional foot/inch/fraction construction calculator
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Contents
Introduction
Key Pad Information
General Purpose Keys
Memory Keys
Keypad Information
Dimension Keys
Liquid Keys
Weight Keys
Triangle Keys
Getting Started
Default Settings
Working with Dimensions and Units
Weight/Volume
Conversions
Linear Conversions
Area Conversions
Volume Conversions
Example Problems
Paperless Tape Review
Complex Area
Examples Problems
Carpentry Rough Opening
Carpentry Joist Numbers
Casting a Concrete Walkaway
Stairs with Unconventional Risers & Treads
Raked Wall Stud Lengths
Board Feet Lumber
Circle Solutions
Arc Length
Concrete Weight/Volume
Roof Rise
Roof Pitch
Regular Hip/Valley & Jack Rafter
Irregular Hip/Valley & Jack Rafter
Reference
Chaining
Error/Overflow
Auto Range
Area Formulas
Volume Formulas
Lumber Sizes
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Contents
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Key Pad Information
3
Introduction
4
Stairs with Unconventional Risers & Treads
5
Roof Rise
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This manual is also suitable for:
Inchmate 2000
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