Calculators

A/B Test: Determine Statistical Significance 

Find out if one of two options (e.g., viewer clicks on two different ads, or sales at two different prices) is significantly better with enough statistical proof.
Enter your data, and the calculator will determine the value that A or B must reach to confidently prove which is better.

Train load: How to Safely Increase Training Intensity 

Protect your health by gradually increasing your training load. Use an exponential decay approach to steadily progress toward your goal. Calculate stages for repetitions or training duration, whether you’re walking, running, swimming, biking, doing pushups, or squatting. 

Saving: How Much of Your Income Should You Save?

Start building your savings with a strategy that grows your financial safety while reducing the burden over time.
Key principles of our saving approach:


Loan: Maximum Loan Payment Relative to Your Income


Understand how much of your income you can safely allocate to loan payments. Our approach uses integer negative exponential limits, reflecting natural patterns found in biology and the universe.