Call the sine function, tip error!
E2268 call to undefined function 'Sin' A function call, you need to do what, in addition to the introduction of "Math. H"!
CodePudding user response:
Case problem?Fyi:
Written by c + + Builder ZEC, analog to digital double clock with calendar stopwatch
http://blog.163.com/tab_98/blog/static/11924097201611324819376/
CodePudding user response:
Find the problem, thank you!CodePudding user response:
Should be the problem of the header file