Calcuo: Smart Calculator

A dead-simple calculator built for iPad. Portrait simplicity, landscape scientific power. Zero ads, zero tracking, zero data collection.

Calcuo is the calculator iPad should have always had. Clean, fast, and completely free, no ads, no subscriptions, no pop-ups. Ever.

Portrait mode gives you a beautiful standard calculator, identical in simplicity to Apple's own iPhone calculator.

Landscape mode unlocks a full scientific calculator panel alongside the standard one: no extra taps, just rotate.

Features: • Standard calculator with history line • Scientific calculator in landscape (sin, cos, tan, log, ln, powers, roots and more) • Deg / Rad toggle for trig functions • Tappable history tape: tap any past result to recall it • Collapsible scientific panel • Zero ads. Zero tracking. Zero data collection.

Calcuo is designed specifically for iPad. No account required. No internet required. Your calculations stay on your device.