BVCalc Lite vs Calculator Ultra

Calculate with confidence. BVCalc Lite combines live-updating algebraic entry with an RPN stack that shows the full expression behind every value. Reuse past work with a tap, switch modes anytime, and audit every step. Upgrade to BVCalc to unlock • Unlimited history tape & memory (Lite supports up to 2 items in memory and 4 calculations in the history tape) • Additional color theme & settings • No helper popups on scientific keys • Full external-keyboard letter shortcuts Core features in Lite • Live result as you type — no “=” key • Reuse expressions from the tape/stack, not just values • Shared tape/stack with readable infix history • Switch between Algebraic ↔ RPN mid-calculation • Touch-friendly stack gestures (tap to swap/roll) • Basic & Scientific keyboards; copy/paste; edit history • Color-coded parentheses, themes, high-contrast mode • Memory for reusable snippets • No ads BVCalc Lite makes partial-step workflows fast and reliable: what you see is the math you actually entered.

Calculator Ultra is a fast, accessible calculator designed for everyday use. CALCULATE WITH CONFIDENCE • Large, easy-to-tap keys • Live expression and result display • Memory functions, percentages, sign changes, and scientific tools • Calculation history with notes MORE THAN A CALCULATOR • Convert units and currencies • Calculate durations and date differences • Use the interactive Home Screen widget • Work in portrait or a dedicated landscape layout • Everyday calculations work offline; currency rates refresh online when available MAKE IT YOURS • Four polished themes stored on your device • Midnight, Graphite, Porcelain, and Forest styles • Consistent colors throughout the interface BUILT FOR EVERYONE • English is the default language • Supports Thai, Spanish, French, German, Japanese, Korean, Simplified Chinese, and Arabic • VoiceOver-friendly labels and right-to-left layout support No account or sign-in is required.