Convert any number to scientific, E and engineering notation, and back.
It writes a number as a value between 1 and 10 multiplied by a power of ten, for example 0.00042 becomes 4.2 × 10^-4. It makes very large or very small numbers compact and easy to compare.
Like scientific notation but the exponent is always a multiple of three, which lines up with metric prefixes (kilo, mega, milli, micro). 47000 becomes 47e3.
Yes. You can type 6.02e23, 3.4 x 10^5 or a plain decimal and it converts to all formats at once.