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CALCULATORS/SLIDE RULES

CALCULATORS/SLIDE RULES

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  1. Circuit Setter Valve Balance Procedure Calculator & Instruction Book
    Circuit Setter Valve Balance Procedure Calculator & Instruction Book
    Special Price $22.45 Regular Price $24.95
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  2. System Syzer Calculator & Instruction Book
    System Syzer Calculator & Instruction Book
    Special Price $22.45 Regular Price $24.95
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  3. Scheduling Wheel Chart
    Scheduling Wheel Chart
    Special Price $9.85 Regular Price $10.95
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  4. COIL WEIGHT CALCULATOR WHEEL CHART
    COIL WEIGHT CALCULATOR WHEEL CHART
    Special Price $13.45 Regular Price $14.95
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  5. Asphalt Paving Job Calculator Slide Rule
    Asphalt Paving Job Calculator Slide Rule
    Special Price $7.15 Regular Price $7.95
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  6. Equal Friction Duct Calculator by Carrier
    Equal Friction Duct Calculator by Carrier
    Special Price $8.95 Regular Price $9.95
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  7. Stone, Concrete, Asphalt Aggregate Slide Rule Calculator
    Stone, Concrete, Asphalt Aggregate Slide Rule Calculator
    Special Price $8.95 Regular Price $9.95
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  8. Concrete & Masonry Materials Estimator - Slide Rule
    Concrete & Masonry Materials Estimator - Slide Rule
    Special Price $8.95 Regular Price $9.95
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  9. Air Duct Calculator - Slide Rule
    Air Duct Calculator - Slide Rule
    Special Price $8.95 Regular Price $9.95
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  10. Structural Steel Detail Guide, Wheel Calculator
    Structural Steel Detail Guide, Wheel Calculator
    Special Price $17.95 Regular Price $19.95
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  11. Steel Weight Finder,Wheel Calculator
    Steel Weight Finder,Wheel Calculator
    Special Price $17.95 Regular Price $19.95
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  12. Duct Design Calculator Wheel
    Duct Design Calculator Wheel
    Special Price $7.15 Regular Price $7.95
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  13. SMACNA Duct System Calculator
    SMACNA Duct System Calculator
    Special Price $53.95 Regular Price $59.95
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  14. Welding Preheat Calculator
    Welding Preheat Calculator
    Special Price $9.85 Regular Price $10.95
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  15. Ductulator trane- Duct Sizing Calculator, English & Metric Units
    Ductulator trane- Duct Sizing Calculator, English & Metric Units
    Special Price $20.65 Regular Price $22.95
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  16. SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart
    SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart
    Special Price $17.95 Regular Price $19.95
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  17. Storm Water Calculator
    Storm Water Calculator
    Special Price $53.95 Regular Price $59.95
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  18. Dial-A-Length Rafterule
    Dial-A-Length Rafterule
    Special Price $8.95 Regular Price $9.95
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  19. Piping Selector 150/300 Wheel Calculator
    Piping Selector 150/300 Wheel Calculator
    Special Price $22.45 Regular Price $24.95
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  20. Stick Calculator
    Stick Calculator
    Special Price $4.45 Regular Price $4.95
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  21. TIG Calculator
    TIG Calculator
    Special Price $4.45 Regular Price $4.95
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  22. MIG Calculator
    MIG Calculator
    Special Price $4.45 Regular Price $4.95
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  23. 3-Pack (MIG, TIG, Stick) Calculators
    3-Pack (MIG, TIG, Stick) Calculators
    Special Price $8.95 Regular Price $9.95
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  24. 2021 UPC Water Pipe System Sizing Calculator, IAPMO
    2021 UPC Water Pipe System Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  25. 2021 Natural Gas Pipe Sizing Calculator, IAPMO
    2021 Natural Gas Pipe Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  26. 2021 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    2021 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  27. PURON® SUB COOLING CALCULATOR R 22
    PURON® SUB COOLING CALCULATOR R 22
    Special Price $11.65 Regular Price $12.95
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  28. NATURAL GAS FURNACE MANIFOLD PRESSURE CALCULATOR
    NATURAL GAS FURNACE MANIFOLD PRESSURE CALCULATOR
    Special Price $8.95 Regular Price $9.95
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  29. 2015 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    2015 Drain Waste Vent Pipe Sizing Calculator, IAPMO
    Special Price $17.95 Regular Price $19.95
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  30. 2012 UPC Water Pipe Sizing Calculator,IAPMO
    2012 UPC Water Pipe Sizing Calculator,IAPMO
    Special Price $17.95 Regular Price $19.95
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  31. Welding Process Calculator Set
    Welding Process Calculator Set
    Special Price $8.05 Regular Price $8.95
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  32. Construction Master Pro Workbook & Study Guide
    Construction Master Pro Workbook & Study Guide
    Special Price $26.95 Regular Price $29.95
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  33. Construction Master Pro Calculator
    Construction Master Pro Calculator
    Special Price $80.95 Regular Price $89.95
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  34. ElectriCalc Pro: Electrical Problem-Solving Calculator
    ElectriCalc Pro: Electrical Problem-Solving Calculator
    Special Price $99.85 Regular Price $110.95
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  35. Pipe Trades Pro Advanced Pipe Trades Math Calculator
    Pipe Trades Pro Advanced Pipe Trades Math Calculator
    Special Price $89.95 Regular Price $99.95
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  36. ConversionCalc Plus
    ConversionCalc Plus
    Special Price $40.45 Regular Price $44.95
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  37. Measure Master Pro Feet-Inch-Fraction Calculator, Calculated Industries
    Measure Master Pro Feet-Inch-Fraction Calculator, Calculated Industries
    Special Price $35.95 Regular Price $39.95
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  38. Building Materials Estimating Calculator
    Building Materials Estimating Calculator
    Special Price $53.95 Regular Price $59.95
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  39. HeavyCalc Pro Calculator
    HeavyCalc Pro Calculator
    Special Price $67.45 Regular Price $74.95
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  40. Sheet Metal/HVAC Pro Calculator
    Sheet Metal/HVAC Pro Calculator
    Special Price $80.95 Regular Price $89.95
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  41. ConcreteCalc Pro, Construction Master Series
    ConcreteCalc Pro, Construction Master Series
    Special Price $80.95 Regular Price $89.95
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  42. Ultra Measure Master Calculator
    Ultra Measure Master Calculator
    Special Price $40.45 Regular Price $44.95
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  43. Construction Master Pro Trig: Feet-Inch-Fraction Calculator with Built-In Trig. Functions.
    Construction Master Pro Trig: Feet-Inch-Fraction Calculator with Built-In Trig. Functions.
    Special Price $99.85 Regular Price $110.95
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