The Tools of Excellence: 12: The Personal Calculator

Man is a generalist. No harm in that: he/she is remarkably adept at adapting and to enhance this process has created a batch of tools which allows him/her to perform to the highest levels.

When push comes to shove, what are the essential Tools of Excellence?

12: The Personal Calculator (on your phone, of course)

Many a start-up has believed it's making money when the revenue comes in. But then when it can't fund the pay-roll it learns that there is revenue and there is profit. They are not the same. You ensure you know the difference by regular, rapid use of your pocket calculator. Forgotten the formula?

It's here.

Here's the book.

The Excellence Kit-Bag so far:

1: Notebook & pen   2: The Play-list   3: The Single-gear bike   4: The Compass   5: The Wall Planner

6: The Skipping Rope   7: The Stop-Watch.   8: The Coffee Grinder & French Press   9: An Empty Room

10: The Swiss Army Knife   11: The Personal Mantra  12. The Personal Calculator