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Field Math

Free field math articles from the Manuall Trade Library, across every trade we cover. No account needed; read it, share it, put it to work.

48 articles

Troubleshooting FieldMath

The Rolling Offset Cut Short Because the Roll Was Ignored

Troubleshooting FieldMath

The Pool Dose Figured from the Diameter as the Radius

Troubleshooting FieldMath

The Mulch Order That Came Three Times Too Big

Troubleshooting FieldMath

The Delta-T That Somebody Added Thirty-Two To

Reference FieldMath

Write the Calculation Down: The Field Math Habit

Reference FieldMath

What Standing Water Weighs on a Ceiling or Floor

Reference FieldMath

Units Carried Through Every Line of a Calculation

Reference FieldMath

The Water Constants 7.48, 8.34 and 231

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The Sensible Heat Formulas for Air and Water

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Temperature Conversion and the Delta-T Rule

Reference FieldMath

Slope Four Ways: Percent, Ratio, Inches Per Foot and Degrees

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Roof Pitch Multipliers for Any Sloped Surface

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Resistance Heaters at the Wrong Voltage

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Pulley Ratios and the Fan Laws by Hand

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Pressure and Head: The 2.31 and 0.433 Pair

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Pipe Offset Constants for Every Fitting Angle

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Percent Change and Percentage Points Done Right

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Measurement Resolution and Honest Rounding

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Gallons Per Foot of Pipe by Inside Diameter

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Energy and Power Units: BTU, Kilowatts, Tons and Horsepower

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Circles in the Field: Area, Circumference and the Diameter Trap

Reference FieldMath

Chained Measurements Versus One Datum

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Averaging Readings: Mean, Median and Weighted

Reference FieldMath

Area of Triangles, Gable Ends and Sloped Walls

How-to Guide FieldMath

How to Work Out a Run Time from a Fuel Supply

How-to Guide FieldMath

How to Work Out a Fill or Drain Time

How-to Guide FieldMath

How to Tally the Load of a Filled Tub or Tank on a Floor

How-to Guide FieldMath

How to Square a Layout With Diagonals and a Triple

How-to Guide FieldMath

How to Measure Pitch with a Level and a Tape

How-to Guide FieldMath

How to Measure Flow With a Bucket and a Stopwatch