Best Roi Calculations

Texas Instruments TI-15 Explorer Elementary Calculator

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HP 12c Platinum Financial Calculator, 10-Digit LCD

  • Over 120 built-in functions for business, fice, mathematics, and statistics, including date calculations.
  • Robust and versatile financial calculator.
  • Over 120 built-in functions for business, finance, mathematics, and statistics, including date calculations.
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UEi HUB6 Smart Refrigerant Charging AC System Diagnostic Kit

  • In App system refrigerant charging calculations.
  • In App temperature split and psychrometric calculations.
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Canon MP27DII Printing Calculator, Gray

  • Print important calculations for future reference.
  • 12-digit display for clear, easy reading..
  • Tax and business functions make it easy to perform a range of useful calculations..
  • 2-color ink-ribbon printing calculator lets you print out calculation records..
  • AC power supply helps ensure continuous power..
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Aqua Lung i200 Wrist Computer Teal

  • 4 operating modes. Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow unrestricted switching between Dive and Free).
  • User-changeable standard battery and data retention. Uses globally available standard batteries found at supermarkets and drugstores. Maintains settings and calculations between battery changes.
  • High visibility LED alarm light. For additional diving safety.
  • Switch between up to 2 Nitrox mixes. Mixes up to 100% O2 with no restriction.
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Aqua Lung i200 Wrist Computer Gray

  • 4 operating modes. Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow unrestricted switching between Dive and Free).
  • User-changeable standard battery and data retention. Uses globally available standard batteries found at supermarkets and drugstores. Maintains settings and calculations between battery changes.
  • High visibility LED alarm light. For additional diving safety.
  • Switch between up to 2 Nitrox mixes. Mixes up to 100% O2 with no restriction.
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Infinity Softworks powerOne CRE v2 for Windows

  • Carry a single computer for all your needs without losing your calculator's functionality..
  • Calculate the way you prefer: RPN, order and chain input modes.
  • Templates appear like mini-spreadsheets, making it easy to verify your information, show clients, and work with colleagues..
  • print calculations for your own or your client's files..
  • Integrated, editable notes means you don't need to carry a manual..
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Cressi Mini SPG (imperial)

  • Bluetooth connectivity. Now equipped with Bluetooth technology that offers the user a simple and quick wireless exchange of dive log information with the DiverLog app and fast connections with their buddies on social media.
  • 4 operating modes. Air, Nitrox, Gauge (with run timer) and Free Dive (tracks calculations to allow switching between DIVE and Free).
  • 3 Gas computer. Able to switch up to three gases underwater.
  • Backlighting. For easy reading in low light.
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Aqua Lung I200c Wrist Dive Computer Blue

  • 4 operating modes. Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow unrestricted switching between Dive and Free).
  • User-changeable standard battery and data retention. Uses globally available standard batteries found at supermarkets and drugstores. Maintains settings and calculations between battery changes.
  • High visibility LED alarm light. For additional diving safety.
  • Switch between up to 2 Nitrox mixes. Mixes up to 100% O2 with no restriction.
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