https://tedfactory.com/en/tags/expression/Recent content in Expression on Ted FactoryHugoenSun, 28 Jun 2026 14:46:38 +0900https://tedfactory.com/en/widgets/tools/formula-calculator/Sun, 28 Jun 2026 00:00:00 +0900https://tedfactory.com/en/widgets/tools/formula-calculator/<h1 id="formula-calculator--a-calculator-that-saves-your-own-formulas">Formula Calculator — A Calculator That Saves Your Own Formulas<a class="anchor" href="#formula-calculator--a-calculator-that-saves-your-own-formulas">#</a></h1> <p><img src="https://tedfactory.com/images/widgets/formula-calculator/formula-calculator-cover.jpg" alt="Formula Calculator — a calculator that saves your own formulas" /></p> <p>The original goal of this widgets corner was to build <strong>tools that are actually useful in everyday life</strong>. Turning a keyboard into a piano or flinging letters into the sky was fun, but honestly none of it was a &ldquo;tool I&rsquo;d use every day.&rdquo; With this calculator, though, I finally feel like <strong>I&rsquo;ve made something genuinely useful</strong>.</p>