Abacus Mental Math Training app icon

Apps Like Abacus Mental Math Training for iPhone and iPad

by Peikun Duan★ 4.123 ratingsEducationFreeData updated 2026-09-06
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Ranked alternatives

Showing 741–760 of 1,000 ranked alternatives.

  4. Oilfield ECD Pro app icon

    Oilfield ECD Pro

    zhandos uakanov

    Calculate ECD with unit flexibility

    Calculate Equivalent Circulating Density with unit selection for or Metric units. Input annular pressure and True Vertical Depth to determine ECD. Perform calculations for drilling operations and monitor pressure losses.

    ★ 3.01 ratingsReference$0.99Data updated 2026-10-16
    App details
  15. DuctSizer app icon

    DuctSizer

    MULBERRYSOFT COMPANY LIMITED

    Calculate duct sizes with finger slide

    Calculate duct sizes quickly with finger sliding for precise measurements. Display equivalent round and rectangular dimensions. Support IP and SI unit conversions. Perform accurate calculations for efficient system design.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-06
    App details

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