The math behind everyday money and business decisions, explained with real numbers. Every article links to a free calculator so you can run the figures for your own situation. Written by Arshi Khan.
October 14, 2026 · 6 min read
What a liquidation price is, how leverage pulls it closer, why your exchange shows a slightly different number, and four practical ways to keep a leveraged trade from being liquidated.
Read article →October 14, 2026 · 6 min read
Rough conversion rate benchmarks for e-commerce, paid search, and B2B, why your own trend matters more than an industry average, and where visitors usually drop off.
Read article →October 6, 2026 · 7 min read
How the Duckworth-Lewis-Stern method sets revised targets, why a stoppage in the first innings can push the target above the first team's score, and how to work it out ball by ball.
Read article →October 6, 2026 · 6 min read
Why adding 40% to your cost doesn't give you a 40% margin, how marketplace fees make it worse, and the one formula that prices a product correctly.
Read article →October 6, 2026 · 5 min read
A 2% discount for paying 20 days early is worth about 37% a year. Here's how to work out the real value of early-payment terms, and when to take them.
Read article →October 6, 2026 · 7 min read
Lenders look at your debt-to-income ratio before your credit score tells the full story. Here's how the 28/36 guideline works and how to turn it into a realistic home price.
Read article →October 6, 2026 · 6 min read
A 3× ROAS can be a great result or a loss, depending on your margins. Here's how to find the ROAS your product needs before you spend another dollar on ads.
Read article →October 6, 2026 · 5 min read
Side-by-side numbers for simple and compound interest over 1, 10, 20, and 30 years, why the gap keeps widening, and what it means for your savings and your loans.
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