CALCULATORS/SLIDE RULES
FEATURING OUR BEST SELLER: SCHEDULING WHEEL CHART
- Circuit Setter Valve Balance Procedure Calculator & Instruction BookSpecial Price $22.45 Regular Price $24.95Quickview
-
-
-
-
-
-
- Stone, Concrete, Asphalt Aggregate Slide Rule CalculatorSpecial Price $8.95 Regular Price $9.95Quickview
- Concrete & Masonry Materials Estimator - Slide RuleSpecial Price $8.95 Regular Price $9.95Quickview
-
-
-
-
-
-
- Ductulator trane- Duct Sizing Calculator, English & Metric UnitsSpecial Price $20.65 Regular Price $22.95Quickview
-
- SuperCool Slide Rule Duct Calculator Flex Metal Ductulator ChartSpecial Price $17.95 Regular Price $19.95Quickview
-
-
-
-
- Structural Steel Detail Slide by Piping SelectorSpecial Price $22.45 Regular Price $24.95Quickview
-
-
- 2021 UPC Water Pipe System Sizing Calculator, IAPMOSpecial Price $17.95 Regular Price $19.95Quickview
-
- 2021 Drain Waste Vent Pipe Sizing Calculator, IAPMOSpecial Price $17.95 Regular Price $19.95Quickview
-
- POCKET SERVICE CARD (RESIDENTIAL) For HCFC-22 SystemsSpecial Price $3.55 Regular Price $3.95Quickview
-
-
-
- Westcott Metric Triangular Scale 12.5in White (TS-659)Special Price $12.15 Regular Price $13.50Quickview
-
- 2015 Drain Waste Vent Pipe Sizing Calculator, IAPMOSpecial Price $17.95 Regular Price $19.95Quickview
-
-
-
-
- Scale Master Pro XE Multi-Scale Digital Estimating ToolSpecial Price $99.85 Regular Price $110.95Quickview
-
-
-
-
- Construction Master Pro Trig: Feet-Inch-Fraction Calculator with Built-In Trig. Functions.Special Price $99.85 Regular Price $110.95Quickview
-
- ElectriCalc Pro: Electrical Problem-Solving CalculatorSpecial Price $99.85 Regular Price $110.95Quickview
- Pipe Trades Pro Advanced Pipe Trades Math CalculatorSpecial Price $89.95 Regular Price $99.95Quickview
-
- Measure Master Pro Feet-Inch-Fraction Calculator, Calculated IndustriesSpecial Price $35.95 Regular Price $39.95Quickview
-
-
-