How can i convert BCD data to real value?

I am doing a project which will get a time data from external Real time clock chip. The data format of the RTC is in BCD form. How can i convert BCD data to real value? is there can built-in function...
How can i convert BCD data to real value?

I am doing a project which will get a time data from external Real time clock chip. The data format of the RTC is in BCD form. How can i convert BCD data to real value? is there can built-in function...
BCD Mathematicd

Hi, I need some help with BCD mathematics , like adding / subtracting packed BCD pairs. How can we do it in C? Regards Kishor
BCD Mathematicd

Hi, I need some help with BCD mathematics , like adding / subtracting packed BCD pairs. How can we do it in C? Regards Kishor
BCD to BIN

Hello. I need a procedure of translation of 16-bit number from BCD to BIN. Thanks.