How to represent the scientific notation?

[asdf]

For example, I have a number which is 1.2*10^(-12), how can I write it
in C++?
"double i=1.2*10^(-12)" is an error.

Thanks for your reply.

[Peter Jansson]

asdf wrote:

For example, I have a number which is 1.2*10^(-12), how can I write it
in C++?
"double i=1.2*10^(-12)" is an error.

Thanks for your reply.

double i(1.2E-12);
Sincerely,

Peter Jansson
http://www.p-jansson.com/
http://www.jansson.net/

[Rolf Magnus]

asdf wrote:

For example, I have a number which is 1.2*10^(-12), how can I write it
in C++?
"double i=1.2*10^(-12)" is an error.

That's because '^' is the exclusive or operator. Try:

double i = 1.2e-12;