Magic with symbols

M ath is also linked to various magic tricks! In this example, using the magic of numbers, the computer will be able to guess your thoughts. For this to happen, just follow these steps:

• Think in a number with two digits;
• Subtract the digits from this number (example: number 54, subtract 5 and 4, the result is 45);
• Find the number in the table below and its symbol;
• Imagine this symbol in your mind;
• Click on the square below the table and the computer will guess the symbol you were thinking...