Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

Debt ratio shows a company's ability to handle debt and invest wisely. Trend in a company's debt ratio indicates its ongoing fiscal health and investment quality. Different industries justify varying ...

When you're applying for a loan, whether it's auto financing or a mortgage, the numbers matter. One important figure to understand is your loan-to-value ratio, often abbreviated as LTV. This is the ...

linking ratios and fractions close fractionThe result of one integer divided by another. It is written with one integer above the other with a horizontal line between them. The denominator must not be ...

Understanding the link between ratios and fractions is a valuable skill to practise. There are nine circles. 4 circles are orange and 5 circles are blue. Find the fraction of orange circles, the ...

Equity-to-asset ratio indicates how much of a company is owned versus debt-leveraged. To calculate, divide total equity by total assets; e.g., $4M/$5M = 80%. Compare ratio to industry to assess ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Unlock the power of the Golden Ratio in design. Learn practical tips, debunk myths, and create stunning visuals—no complex maths required. Look, I get it. You're probably thinking, “Great, another ...

Introduction: Potential detrimental effects of hyperoxemia on outcomes have been reported in critically ill patients. Little evidence exists on the effects of hyperoxygenation and hyperoxemia on ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

Conclusions: SpO2 and PR measurements may be inaccurate across all skin pigmentation groups, breaching U.S. Food and Drug Administration guidance and industry standard thresholds. Pulse oximeters ...