Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
heart rate reserve for 50 year old man with resting heart rate of 60 bpm
heart rate reserve for 50 year old man with resting heart rate of 60 bpm
Natural Language
Math Input
Extended Keyboard
