The latest articles on DEV Community by kamal singh (@theapexcalc). https://dev.to/theapexcalc https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4145269%2F9c1f7a2b-6b12-4380-9152-de260ecf07ca.png https://dev.to/theapexcalc en kamal singh Sun, 27 Sep 2026 09:03:40 +0000 https://dev.to/theapexcalc/building-the-apex-calc-a-fast-ad-free-financial-amortization-utility-59k4 https://dev.to/theapexcalc/building-the-apex-calc-a-fast-ad-free-financial-amortization-utility-59k4 <p>Most online financial calculators are buried under invasive display ads, auto-playing video popups, and slow third-party analytics trackers. Trying to compute a mortgage amortization schedule or evaluate a wage increase shouldn't feel like navigating an obstacle course.</p> <p>To fix this, I built <strong><a href="https://theapexcalc.netlify.app" rel="noopener noreferrer">The Apex Calc</a></strong>—a privacy-focused, zero-bloat financial computation suite.</p> <h3> What it covers: </h3> <ul> <li> <strong>Mortgage Payment &amp; Amortization:</strong> Calculates monthly principal, interest, taxes, and schedule projections.</li> <li> <strong>Hourly-to-Salary Wage Converter:</strong> Real-time breakdown across weekly, monthly, and annual compensation with overtime adjustments.</li> <li> <strong>Compound Interest Modeling:</strong> Visualizing long-term wealth accumulation with periodic contributions.</li> </ul> <h3> Technical Highlights: </h3> <ul> <li> <strong>100% Client-Side:</strong> Written in vanilla JavaScript, HTML5, and clean CSS. Zero server roundtrips for computation.</li> <li> <strong>Zero Tracking:</strong> No tracking pixels or external data collection. Sensitive monetary calculations stay local in the browser.</li> <li> <strong>Speed &amp; Privacy:</strong> Fast initial paint and sub-second execution across both mobile and desktop.</li> </ul> <p>Check out the live utility here: <strong>[<a href="https://theapexcalc.netlify.app" rel="noopener noreferrer">https://theapexcalc.netlify.app</a>]</strong></p> <p>Would love to get feedback on the UI layout and what calculator models you'd like to see added next!</p> webdev javascript sharepoint fintech