David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, corporate and individual tax planning and preparation, and investing and retirement planning.

Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

Master R-Squared calculation in Excel. Get formula tips, expert advice, and avoid errors for precise financial analysis.

You don’t need a perfect plan to get started with AI; you need a simple 90‑day path that fits around real life and real work. This roadmap is designed for professionals who are busy, a bit overwhelmed ...

Drop-down lists in Excel are a great way to speed up data entry, keep your sheet tidy, and avoid typos. No formulas required!

Are you scared to invest in the stock market? Well, if you do, know that you are not alone! There’s so much financial jargon and math to take in. You can confidently make well-informed investment ...

Water supports major body functions like temperature control, saliva production, joint cushioning, digestion, and waste removal through sweat, urine, and bowel movements. Most people meet hydration ...

Most pre-workout supplements are considered safe for many adults, but they are not essential for health or exercise performance. Their ingredient mixes vary widely by brand. Ingredients like caffeine, ...