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You have selected the Platinum Annual membership level.

Very important note If you already have an account on Slope, such as a free Sloper account, please log in first by clicking here before continuing with the subscription process. This is the annual discount for the Platinum membership, which gets you twelve months for the price of ten. It also gets you a FREE copy of the book The Joy of Charting. The Platinum level of membership is the most complete of any of the offerings on Slope. In addition to all the benefits of Bronze, Silver, and Gold members, you have unrestricted access to all of the features, including new ones as they are released. Some highlights include:  

  As new features get added to the site, they will always be added to Platinum, the highest of levels.

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$799.5 Annually    

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