Calculator Plus Basic & PEMDAS vs LumioCalc

Combining powerful calculations with fully customisable design — so your calculator looks and works just how you want it to! Built For Speed & Simplicity: Clean, simple, intuitive layout Instant, responsive calculations Large easy to read buttons and numbers Switch between standard and order of operations (PEMDAS) modes effortlessly Make It Yours: Over 50 color themes available, with more added regularly High-contrast colour themes for visually impaired users Favorite your top themes for quick switching Request your very own color theme Choose round or square buttons Smart Features That Matter: Full calculation history with US format date & timestamps - store up to a year of results Adjustable decimal precision Copy & paste from the display or calculation history Retro LCD or modern display Customisable haptic feedback intensity Sound effects on or off Optimized layouts for both iPhone and iPad Sales Tax calculations Currency conversions Speaking calculations Tips calculator Unit price calculator Discount percentage calculator Premium: Upgrade to Premium with a one-time purchase and: Unlock all Premium color themes and features forever on your iPhone and iPad No subscription Reasons to Love it: No clutter, no confusion — just an intuitive, great looking calculator Personalisation without limits

Meet LumioCalc — the calculator that looks as good as it performs. From quick everyday arithmetic to advanced scientific operations, LumioCalc delivers speed, precision, and complete visual control. Choose from a growing collection of handcrafted themes or design your own from scratch with a deeply customizable theme editor. BEAUTIFUL THEMES, BUILT IN Pick from glossy, frosted, seasonal, and curated themes — each with its own color palette, typography, and personality. Explore favorites including Paper & Ink, Cobalt Studio and Lumio, plus the new Halloween-inspired Moonlit Gothic Observatory. MAKE IT YOURS LumioCalc Pro unlocks the full theme editor. Customize every detail: background colors, gradients, and images; button shapes, shadows, and corner radius; per-category colors for digits, operations, functions, memory, and scientific buttons; display, button, and scientific typography; haptic feedback; button sounds (Click, Tick, Pop); and animation styles (Push, Bounce, Glow, Liquid, Spin) with adjustable speed and intensity. POWERFUL CALCULATOR - Standard and scientific modes with one tap to switch - Trigonometric, logarithmic, exponential, and root functions - Radian and degree mode toggle - Memory operations (MC, MR, M+, M-) - Full parentheses and expression support - Scrollable calculation history — tap any result to reuse it - Keyboard input support DESIGNED FOR EVERY SCREEN Portrait and landscape layouts on iPhone. An adaptive iPad layout with a side-by-side scientific panel and history sidebar when you have the space. FREE TO USE, PRO TO PERSONALIZE Every calculator feature and a selection of built-in themes are completely free. Try every LumioCalc Pro feature free for 7 days, including premium themes and the full theme editor. Create custom themes, explore every personalization option, and decide if Pro is for you. When the trial ends, simply continue using LumioCalc for free or unlock Pro with a one-time purchase — no subscription. Buy once and unlock Pro across iPhone, iPad and Mac with the same Apple ID. Whether you are a student, engineer, designer, or just someone who wants a calculator with personality — LumioCalc gives you power and style in one app.