R is for result

The result of your latest calculation is automatically saved.
You can access it by clicking result or by pressing R.

Besides safety, it’s convenient for calculation too.
Let’s say I’m calculating my total journey time:

My distance is 15 km. To calculate the speed, I can simply enter
15  ÷ result

This means you have less things to worry about:

• No need to copy the result beforehand.
• No need to discipline yourself to store 1:15 as a variable.
• No need to use the prehistoric M+, MR, etc.

Getting recent results

The obvious place to get recent results is the History. But there is a quicker way.
You can press R repeatedly for 5 most recent results.

Here is a quick illustration.

The most recent result is 10. You press R to insert it.
If you press R again, you get the next result, 20.

In other words:

R → 10

RR → 20

RRR → 30

And so on… until you reach the 5th one, 50. Another press will take you back to the first result.

The result button

You can click and hold the result button to reveal its menu.

This means you can see and insert results without opening History.

To see the expression, just hover your mouse over it.

Be informed

You may have noticed, as you press R successively, Magic Number flashes the name of the result.

Besides name, you can see the expression.

Choose “Flash Expression” and you get:

You can turn off flashing with “Do Not Flash”.
You can still see the detail by pressing ⌘I (that’s the shortcut for Inspect).