" E-4 " really means " times 10-4 ".
But here's the easy way to use it:
When you see " E-4 ", think of it as " move the decimal point left 4 places ".
When you see " E+3 ", think of it as " move the decimal point right 3 places ".
Examples:
5E-4 = .0005
6E+3 = 6000.
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.