{"id":8,"date":"2025-08-16T19:18:21","date_gmt":"2025-08-16T10:18:21","guid":{"rendered":"https:\/\/calc.delmar-y-elsol.com\/?page_id=8"},"modified":"2025-08-17T09:52:13","modified_gmt":"2025-08-17T00:52:13","slug":"lp-eng","status":"publish","type":"page","link":"https:\/\/calc.delmar-y-elsol.com\/?page_id=8&lang=en","title":{"rendered":"LP_Eng"},"content":{"rendered":"\n
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\n\n\n\n\n\n\nCalculator Plus \u2014 See Expressions. Big, Comfortable Calculator.<\/title>\n<meta name=\"description\" content=\"Calculator Plus shows the full expression, with a large, easy-to-press UI. History can be edited, reordered, duplicated, searched, and copied. Large Widget for quick calculations from the Home Screen or iPad. Tax 0\u2013100% in 1% steps, inclusive\/exclusive, and scientific functions.\" \/>\n<style>\n :root{\n --bg:#0c1117; --fg:#e8f0fb; --muted:#9db0c9; --acc:#2fc1ff; --acc2:#79f2a7;\n --card:#121a24; --line:rgba(255,255,255,.08);\n --container:1200px;\n }\n *{box-sizing:border-box}\n body{margin:0;background:var(--bg);color:var(--fg);\n font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,\n \"Noto Sans\", \"Noto Sans JP\",\"Hiragino Kaku Gothic ProN\",\n \"Yu Gothic UI\",sans-serif;line-height:1.65}\n a{color:var(--acc);text-decoration:none}\n a:hover{opacity:.9;text-decoration:underline}\n\n .container{max-width:var(--container);margin-inline:auto;padding:24px}\n .hero{padding:64px 0;border-bottom:1px solid var(--line)}\n .hero-inner{\n display:grid;gap:40px;align-items:center;\n grid-template-columns:1fr 1fr;\n max-width:var(--container);margin-inline:auto;\n }\n @media (max-width:980px){.hero-inner{grid-template-columns:1fr;text-align:center}}\n .h-label{display:inline-block;background:linear-gradient(90deg,var(--acc),var(--acc2));color:#001018;border-radius:999px;padding:6px 12px;font-weight:700;font-size:12px;letter-spacing:.04em}\n h1{margin:.4em 0 .2em;font-size:44px;line-height:1.2}\n @media (max-width:980px){h1{font-size:36px}}\n .lead{color:var(--muted);font-size:18px;margin:12px 0 20px}\n .cta{display:flex;gap:12px;flex-wrap:wrap}\n @media (max-width:980px){.cta{justify-content:center}}\n .btn{display:inline-flex;align-items:center;gap:10px;background:var(--acc);color:#001018;border-radius:12px;padding:14px 20px;font-weight:800;border:1px solid #00a6ff;box-shadow:0 10px 28px rgba(0,173,255,.18)}\n .btn.secondary{background:transparent;color:var(--fg);border:1px solid var(--line)}\n .badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;color:var(--muted);font-size:14px}\n @media (max-width:980px){.badges{justify-content:center}}\n\n .figure{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}\n .figure img{display:block;width:100%;height:auto;border-radius:12px}\n\n .section{padding:48px 0}\n h2{font-size:28px;margin:.2em 0 .6em}\n .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}\n @media (max-width:980px){.grid-3{grid-template-columns:1fr}}\n .card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}\n .card h3{margin-top:0;font-size:18px}\n .ul{margin:8px 0 0;padding-left:1.2em;color:var(--muted)}\n .callout{background:linear-gradient(180deg,rgba(47,193,255,.10),rgba(47,193,255,0));border:1px solid var(--line);border-radius:16px;padding:18px}\n .mono{font-family:ui-monospace,Menlo,Consolas,monospace}\n .faq{max-width:900px;margin:auto}\n details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin:10px 0}\n summary{cursor:pointer;font-weight:700}\n .footer-cta{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}\n @media (max-width:980px){.footer-cta{grid-template-columns:1fr;text-align:center}}\n .small{font-size:13px;color:var(--muted)}\n<\/style>\n<\/head>\n<body>\n\n<!-- ===== HERO ===== -->\n<section class=\"hero\" id=\"hero\">\n <div class=\"hero-inner\">\n <div>\n <span class=\"h-label\">Calculator Plus<\/span>\n <h1>See the expression.<br\/>Big, comfortable, and accurate.<\/h1>\n <p class=\"lead\">\n Always see the full formula while you type\u2014no guessing, no retracing steps.<br\/>\n History supports <strong>edit, reorder, duplicate, search, and copy<\/strong> for quick reuse.<br\/>\n With a <strong>Large Widget<\/strong>, start calculating instantly from your Home Screen or iPad.\n <\/p>\n <div class=\"cta\">\n <a class=\"btn\" href=\"https:\/\/apps.apple.com\/app\/id0000000000\" target=\"_blank\" rel=\"noopener\">Get it on the App Store<\/a>\n <a class=\"btn secondary\" href=\"#features\">See features<\/a>\n <\/div>\n <div class=\"badges\">\n <span>Tax 0\u2013100% (1% steps)<\/span>\n <span>Inclusive \/ Exclusive<\/span>\n <span>Scientific & Angle (\u00b0 \/ rad)<\/span>\n <\/div>\n <\/div>\n <div class=\"figure\">\n <img decoding=\"async\" src=\"https:\/\/placehold.co\/960x720\/png?text=App+UI+%2B+Large+Widget\" alt=\"Calculator Plus UI and Large Widget preview\">\n <\/div>\n <\/div>\n<\/section>\n\n<!-- ===== VALUE PROPS ===== -->\n<section class=\"container section\" id=\"values\">\n <h2>Why Calculator Plus<\/h2>\n <div class=\"grid-3\">\n <div class=\"card\">\n <h3>1. Clarity with visible expressions<\/h3>\n <ul class=\"ul\">\n <li>See the entire formula as you type<\/li>\n <li>Spot mistakes at a glance<\/li>\n <li>Monospaced digits for readability<\/li>\n <\/ul>\n <\/div>\n <div class=\"card\">\n <h3>2. Big, tap-friendly UI<\/h3>\n <ul class=\"ul\">\n <li>Spacious key layout reduces errors<\/li>\n <li>Color cues for quick recognition<\/li>\n <li>Looks great on iPad<\/li>\n <\/ul>\n <\/div>\n <div class=\"card\">\n <h3>3. History you can work with<\/h3>\n <ul class=\"ul\">\n <li>Edit, reorder, duplicate, and search entries<\/li>\n <li>Copy results in one tap<\/li>\n <li>Reuse and compare calculations fast<\/li>\n <\/ul>\n <\/div>\n <\/div>\n<\/section>\n\n<!-- ===== FEATURES ===== -->\n<section class=\"container section\" id=\"features\">\n <h2>Main Features<\/h2>\n <div class=\"grid-3\">\n <div class=\"card\">\n <h3>Large Widget for instant math<\/h3>\n <ul class=\"ul\">\n <li>Large Widget (Home Screen \/ Today View)<\/li>\n <li>\uff0b \u2212 \u00d7 \u00f7 \uff1d \/ AC \/ TAX \/ \u232b \/ \u00b1 \/ .<\/li>\n <li>Immediate updates on tap<\/li>\n <\/ul>\n <p class=\"small\">* Lock Screen & StandBy not supported (Large-only widget)<\/p>\n <\/div>\n <div class=\"card\">\n <h3>Fast tax calculations<\/h3>\n <ul class=\"ul\">\n <li>Set tax from 0% to 100% in 1% steps<\/li>\n <li>Inclusive \/ Exclusive toggle<\/li>\n <li>Localized digit grouping & rounding<\/li>\n <\/ul>\n <\/div>\n <div class=\"card\">\n <h3>Scientific & display controls<\/h3>\n <ul class=\"ul\">\n <li>sin \/ cos \/ tan \/ \u221a \/ log, etc.<\/li>\n <li>Angle unit: degree \/ radian<\/li>\n <li>Decimal places (0\u201310) & font size<\/li>\n <\/ul>\n <\/div>\n <\/div>\n\n <div class=\"callout\" style=\"margin-top:18px\">\n <strong>Examples:<\/strong>\n <div class=\"mono\">\n 123,456,789 \u00f7 4 = 30,864,197.25<br\/>\n 999 + 7 = 1,006<br\/>\n 100 (incl. 10%) \u2192 110\n <\/div>\n <\/div>\n<\/section>\n\n<!-- ===== USE CASES ===== -->\n<section class=\"container section\" id=\"usecases\">\n <h2>Use Cases<\/h2>\n <div class=\"grid-3\">\n <div class=\"card\">\n <h3>Shopping & Home<\/h3>\n <ul class=\"ul\">\n <li>Quickly check discount totals<\/li>\n <li>Switch between tax-in \/ tax-out<\/li>\n <li>Copy results to your notes<\/li>\n <\/ul>\n <\/div>\n <div class=\"card\">\n <h3>Work & Estimates<\/h3>\n <ul class=\"ul\">\n <li>Reorder history to organize tasks<\/li>\n <li>Duplicate to compare scenarios<\/li>\n <li>Reuse formulas without retyping<\/li>\n <\/ul>\n <\/div>\n <div class=\"card\">\n <h3>Study & Research<\/h3>\n <ul class=\"ul\">\n <li>Understand with visible expressions<\/li>\n <li>Verify with scientific functions<\/li>\n <li>Review via searchable history<\/li>\n <\/ul>\n <\/div>\n <\/div>\n<\/section>\n\n<!-- ===== FAQ ===== -->\n<section class=\"container section\" id=\"faq\">\n <h2>FAQ<\/h2>\n <div class=\"faq\">\n <details>\n <summary>Can I use it on the Lock Screen or StandBy?<\/summary>\n <p>The widget is <strong>Large-size only<\/strong>, so Lock Screen and StandBy are not supported. Please use it on the Home Screen, Today View, or iPad.<\/p>\n <\/details>\n <details>\n <summary>How do I set tax?<\/summary>\n <p>In Settings, choose a rate from <strong>0% to 100% in 1% steps<\/strong>. You can also switch between inclusive and exclusive.<\/p>\n <\/details>\n <details>\n <summary>Can I edit or reorder the history?<\/summary>\n <p>Yes. You can <strong>edit, reorder (drag & drop), duplicate, search, and copy<\/strong> history items for fast reuse.<\/p>\n <\/details>\n <details>\n <summary>How are errors displayed?<\/summary>\n <p>Division by zero or invalid expressions show \u201cError\u201d, with color cues to ensure visibility.<\/p>\n <\/details>\n <\/div>\n<\/section>\n\n<!-- ===== CLOSING ===== -->\n<section class=\"container section\" id=\"cta\">\n <div class=\"footer-cta\">\n <div>\n <h2>\u201cSee the expression\u201d \u2014 make everyday math clearer and faster.<\/h2>\n <p class=\"small\">Large Widget for instant access on the Home Screen or iPad. History supports edit, reorder, duplicate, search, and copy.<\/p>\n <div class=\"cta\">\n <a class=\"btn\" href=\"https:\/\/apps.apple.com\/app\/id0000000000\" target=\"_blank\" rel=\"noopener\">Get it on the App Store<\/a>\n <a class=\"btn secondary\" href=\"#hero\">Back to top<\/a>\n <\/div>\n <\/div>\n <div class=\"figure\">\n <img decoding=\"async\" src=\"https:\/\/placehold.co\/960x640\/png?text=Large+Widget+%2B+iPad+Mock\" alt=\"Large widget and iPad preview\">\n <\/div>\n <\/div>\n <p class=\"small\" style=\"margin-top:12px\">* Features and specifications may change without notice.<\/p>\n<\/section>\n\n<!-- ===== FAQ SCHEMA ===== -->\n<script type=\"application\/ld+json\">\n{\n \"@context\":\"https:\/\/schema.org\",\n \"@type\":\"FAQPage\",\n \"mainEntity\":[\n {\"@type\":\"Question\",\"name\":\"Can I use it on the Lock Screen or StandBy?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The widget is Large-size only, so Lock Screen and StandBy are not supported. 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Calculator Plus See the expression.Big, comfor […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"swell_btn_cv_data":"","footnotes":""},"class_list":["post-8","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=\/wp\/v2\/pages\/8","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8"}],"version-history":[{"count":7,"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=\/wp\/v2\/pages\/8\/revisions"}],"predecessor-version":[{"id":30,"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=\/wp\/v2\/pages\/8\/revisions\/30"}],"wp:attachment":[{"href":"https:\/\/calc.delmar-y-elsol.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}