GitHub - sirupsen/napkin-math: Techniques and numbers for estimating system's performance from first-principles
![John Cutler on Twitter: "“I mean just a ballpark ... back of napkin type thing...?” https://t.co/rh8CY5havu" / Twitter John Cutler on Twitter: "“I mean just a ballpark ... back of napkin type thing...?” https://t.co/rh8CY5havu" / Twitter](https://pbs.twimg.com/media/EAjX-qrUEAEqqzE.jpg:large)
John Cutler on Twitter: "“I mean just a ballpark ... back of napkin type thing...?” https://t.co/rh8CY5havu" / Twitter
![Word No Risk on Napkin and Calculator on Wooden Tble . Finance Concept Stock Image - Image of smoke, work: 208250601 Word No Risk on Napkin and Calculator on Wooden Tble . Finance Concept Stock Image - Image of smoke, work: 208250601](https://thumbs.dreamstime.com/z/word-no-risk-napkin-calculator-wooden-tble-finance-concept-word-no-risk-napkin-calculator-wooden-tble-finance-208250601.jpg)
Word No Risk on Napkin and Calculator on Wooden Tble . Finance Concept Stock Image - Image of smoke, work: 208250601
![Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin: Amazon.co.uk: Weinstein, Lawrence, Edwards, Patricia: 9780691150802: Books Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin: Amazon.co.uk: Weinstein, Lawrence, Edwards, Patricia: 9780691150802: Books](https://m.media-amazon.com/images/I/81nzDqwiTiL.jpg)