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Choose a plan that suits your needs and enjoy the advanced features of Quick Sum Calculator.

• Monthly

  $2.9/month

  • 1-month validity

  • High-precision

  • Error correction

  • Large numbers

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• Quarterly

  $6.9/3 months

  • 3-month validity

  • High-precision

  • Error correction

  • Large numbers

  Save 20.7% vs Monthly

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• Yearly

  $19.9/year

  • 1-year validity

  • High-precision

  • Error correction

  • Large numbers

  Save 42.8% vs Monthly

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