fx-82MS fx-82TL fx-9860GII TI-83
√
On a Casio calculator you can take the square root
√
Example 1
To calculate √64 = 8
√ 6 4 = √64
8.
Example 2
To calculate √0 = 0
√ 0 = √0
0.
Example 3
To calculate √2 = 1.4142…
√ 2 = √2
1.414213562
Example 4
To calculate √2 × √2 = 2
√ 2 × √ 2 = √2×√2
2.
Example 5
To calculate √2√2 = 1.6325…
√ 2 ^ √ 2 = √2∧√2
1.632526919
Example 6
To calculate (√2√2)√2 = 2
√ 2 ^ √ 2 = ^ √ 2 = Ans∧√2
2.
Example 7
To calculate 2√2 = 2.6651…
2 ^ √ 2 = 2∧√2
2.665144143
Example 8
To enter √−2
√ (−) 2 = Math ERROR
The square root from a negative number always gives a message.
Example 9
To calculate √(−1)² = 1
√ ( (−) 1 ) x2 = √(-1)2
1.
Example 10
To calculate 2√½ = √(2 ×2 × ½) = √2 = 1.4142...
2 √ 1 a b/c 2 = 2√1┘2
1.414213562