The "Variant 1" calculation asks you to enter the number of servers you require in order to support your operating capacity (i.e. without any redundancy).

“变种1”计算要求您输入为了支持您的操作能力(也就是说没有任何冗余)需要的服务器数量。

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For example, on the status page, you might have a user enter an order number and have another button or link that gives them their status.

例如，在状态页面中，可能让用户输入订单号，然后让另一个按钮或链接向用户提供他们的状态。

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Enter received serial number or order a new license.

输入收到的序列号或购买一个新许可。

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After browsing a site and making your selections, you click the eWallet icon in your Windows task bar, enter your PIN number, and drag your plastic of choice onto the site's order form.

CNN: Don't forget your eWallet when you shop online