The notation 5E-4 on a calculator represents the number 5 multiplied by 10 raised to the power of -4. This is a scientific notation format, indicating that the actual value is 0.0005. The "E" stands for "exponent," and the "-4" shows that the decimal point is moved four places to the left.
Input is when you type with the calculator
"Calculator"
clear
yes you mean calculator. yes a calculator is there in the computer.
What does 4e-6 mean
memory/recall
13.076
The calculator.
not a number
all clear
Grand total
If you mean the pocket calculator, it is actually a computer.If you mean something like the abacus, of course the computer came after it.