Find: 7 squared (see photo above)

• Cursor to 7 on D

Find: 18 squared

• Cursor to 18 on D
• (The last digit, 4, is hard to read precisely, but we know that our answer ends with a 4 because the last digits in our problem [8 and 8] end with a 4 when multiplied)

Find : Square root of 25

• Cursor to 25 on second half of A (since 25 has an even number of digits before the decimal point)

Find: Square root of 625

• Cursor to 625 on first half of A (since 625 has odd number of digits before the decimal point)

Find: Square root of 0.625

• Which section of the A scale should we use? The second section ... because 0.625 has no zeros after the decimal point.
• Cursor to 0.625 on A

Find: Square root of 6.25

• Cursor to 6.25 on first section of A

Try: Square root of 0.0625

• Cursor to 0.0625 on first section of A

Find: Square root of 0.00625

• Cursor to 0.00625 on second section of A