Spec me a excel timer

[mangobreeder]

Hi

what i need is a excel worksheet which has 2 buttons, start and stop and a timer

i need the time to be saved when i exit and then carry on when i go back in.

it is so i can time how long i spend on particular projects.

 

[mangobreeder]

i will be working out of different Apps, Visio, emails. project, etc,

just need a timer to see how longi spend on the project