Scientific Calculator — Free Online Trig, Log & Power Calcul | INAPP - Tech news, Food recipes, Online tools and Web games

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A full scientific calculator with sin/cos/tan, log/ln, √, powers, π and e, RAD/DEG toggle, memory keys (MS/MR/MC), and calculation history — fully client-side. This free online scientific calculator runs entirely in your browser — no data is ever uploaded to a server. (It is fully client-side: nothing you type is sent anywhere.)

</p> <h2>How to Use</h2> <p>1. <strong>Enter expressions</strong> — use the keypad or the scientific function buttons (sin, cos, tan, log, ln, √, x², xʸ).</p> <p>2. <strong>Set the angle mode</strong> — flip between RAD and DEG before evaluating trig functions.</p> <p>3. <strong>Use memory</strong> — MS stores the result, MR recalls it, MC clears memory.</p> <p>4. <strong>Review history</strong> — recent calculations appear below; click any to restore its expression and result.</p> <h2>Example</h2> <p>Switch to DEG, tap “sin” then “9” “0” “)” and “=” — you get 1. In RAD mode the same sin(90) is 0.894. Store 12 with MS, recall it later with MR, and pick up any earlier calculation from the history list.</p> </div> <div class='post-footer'> <div class='post-footer-line post-footer-line-1'> <span class='byline post-labels'> <span class='byline-label'> </span> <a href='https://imapp.blogspot.com/search/label/Browser%20Tool' rel='tag'> Browser Tool </a> <a href='https://imapp.blogspot.com/search/label/Calculator' rel='tag'> Calculator </a> <a href='https://imapp.blogspot.com/search/label/Free%20Tools' rel='tag'> Free Tools </a> <a href='https://imapp.blogspot.com/search/label/Logarithms' rel='tag'> Logarithms </a> <a href='https://imapp.blogspot.com/search/label/Math' rel='tag'> Math </a> <a href='https://imapp.blogspot.com/search/label/Powers' rel='tag'> Powers </a> <a href='https://imapp.blogspot.com/search/label/Scientific%20Calculator' rel='tag'> Scientific Calculator </a> <a href='https://imapp.blogspot.com/search/label/Square%20Root' rel='tag'> Square Root </a> <a href='https://imapp.blogspot.com/search/label/Trigonometry' rel='tag'> Trigonometry </a> </span> </div> </div> </div> </div> <section class='comments' data-num-comments='0' id='comments'> <a name='comments'></a> </section> </article> </div> <div class='post-feeds'> </div> <style> .post-body a.b-tooltip-container { position: relative; display: inline-block; } .post-body a.b-tooltip-container .b-tooltip { display: block !important; position: absolute; top: 100%; left: 50%; transform: translate(-20%, 1px); visibility: hidden; opacity: 0; z-index: 1; transition: opacity 0.2s ease-in-out; } .post-body a.b-tooltip-container .b-tooltip iframe { width: 200px; height: 198px; max-width: none; border: none; border-radius: 20px; box-shadow: 1px 1px 3px 1px rgba(0, 0, 0, 0.2); } @media (hover: hover) { .post-body a.b-tooltip-container:hover .b-tooltip { visibility: visible; opacity: 1; } } </style> </div></div> </main> <aside class='sidebar'> <div class='no-items section' id='sidebar_ad' name='Sidebar'> </div> </aside> </div> </div>  <footer class='site-footer'> <div class='container footer-grid'> <div class='footer-col'> <h4>About INAPP</h4> <p>INAPP is your hub for practical tech news, step-by-step recipes, free browser-based developer tools, and lightweight web games.</p> </div> <div class='footer-col'> <h4>Online Tools</h4> <ul> <li><a href='https://freeq.one' target='_blank'>Free Online Tools</a></li> <li><a href='/p/csv-to-json.html'>CSV to JSON</a></li> <li><a href='/p/word-counter.html'>Word Counter</a></li> </ul> </div> <div class='footer-col'> <h4>Web Games</h4> <ul> <li><a href='/search/label/Browser%20Game'>Browser Games</a></li> <li><a href='/p/2048.html'>2048</a></li> <li><a href='/p/clumsy-bird.html'>Clumsy Bird</a></li> </ul> </div> <div class='footer-col'> <h4>Categories</h4> <ul> <li><a href='/search/label/Tech%20News'>Tech News</a></li> <li><a href='/search/label/Food%20Recipe'>Food Recipes</a></li> <li><a href='/search/label/Browser%20Game'>Browser Games</a></li> </ul> </div> </div> <div class='footer-bottom'> <p>© <script>document.write(new Date().getFullYear())</script> INAPP (imapp.blogspot.com). 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