fx-82MS iPad Windows XP Windows 10
Numerals
On an iPad calculator you can enter the numerals 0 - 9
0 1 2 3 4 5 6 7 8 9
Example 1
To calculate 0 × 1 = 0
0 × 1 = 0
and also 0 × 0 = 0
0 × 0 = 0
Example 2
To calculate 0 ÷ 1 = 0
0 ÷ 1 = 0
Example 3
To enter 1 ÷ 0
1 ÷ 0 = ERROR
Dividing by zero always gives a message, and that is correct.
Example 4
To enter 00
0 yx 0 = 1
That is correct, as it is determined by definition that 00 ≝ 1.
Example 5
To calculate 0! = 1
0 x! 1
This is correct, then it is determined by definition that 0! ≝ 1.
Example 6
To calculate cos (0) = 1
0 cos 1
Example 7
To calculate √0 = 0
0 √ 0
Details
In the decimal system you need the 0 to indicate that a place in a decimal number has no value, as in the number 12305. The total value of a number can also be 0.