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To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

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Square Numbers

to memorize

QuestionAnswer
1 to the 2nd power 1
2 to the second power 4
3 to the second power 9
4 to the second power 16
5 to the second power 25
6 to the second power 36
7 to the second power 49
8 to the second power 64
9 to the second power 81
10 to the second power 100
11 to the second power 121
12 to the second power 144
13 to the second power 169
14 to the second power 196
15 to the second power 225
16 to the second power 256
17 to the second power 289
18 to the second power 324
19 to the second power 361
20 to the second power 400
25 to the second power 625
Created by: gizmoj