<p>Notice the tracking of base through the operations. Just prefix your number with the appropriate prefix (see poorly named "Computer" tab)</p>
<p>Notice Each square has a value in the middle and is sometimes surrounded by others. Just clicking on the button will cause the center item's operation to be performed. Click and drag will in the direction of any of the other symbols will cause that operation to occur. Note: Not all click-and-drag symbols are shown by default so explore a bit.</p>
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<p>Notice the tracking of base through the operations. Just prefix your number with the appropriate prefix (see poorly named "Computer" tab)</p>
<p>Notice Each square has a value in the middle and is sometimes surrounded by others. Just clicking on the button will cause the center item's operation to be performed. Click and drag will in the direction of any of the other symbols will cause that operation to occur. Note: Not all click-and-drag symbols are shown by default so explore a bit.</p>
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