One Scientific Calculator
★ 4.7AndroidGoogle PlayAppGallery
What it actually doesKey features of One Calculator:
72%Marketing ≈ reality75%Stability21%Live project
Actually does
- ✓Calculator80% of reviews
- ✓Научный/инженерный калькулятор (тригонометрия, логарифмы)15% of reviews
- ✓Unit converter25% of reviews
- ✓История вычислений35% of reviews
Claimed, but not confirmed by reviews
- ⚠Вычисления в режиме RPN (обратная польская запись)
- ⚠Графический калькулятор (плоттер уравнений X,Y)
- ⚠Преобразование между системами счисления (Dec, Hex, Oct, Bin)
- ⚠Матричный калькулятор
- ⚠Поддержка комплексных чисел
- ⚠Dark mode
Common complaints
- ✗Widget does not work or does not display numbers10% of mentions
«Widget does not work»
- ✗Poor button layout: advanced functions (sin, cos, log) overlap the operation history5% of mentions
«all this hangs heavy over the main buttons taking extremely much space»
- ✗Periodic app crashes3% of mentions
«displays "One calculator app encountered an error"»
- ✗Inconvenient widget rating procedure (asks to rate before viewing)7% of mentions
«Do I need to rate the app, pay, transfer, and other options without even seeing it?»
- ✗Typos in data (prefix spelled MeTabit instead of MeGabit)3% of mentions
«Found a typo in the data volume conversion section. The prefix is spelled MeTabit»
What people praise
- ★Simple and convenient interface
«This calculator is the most convenient»
- ★Convenient and useful calculation history
«saving calculation history»
- ★Calculation accuracy
«the most important thing is it's Correct!!!»
- ★Rich set of features while maintaining simplicity
«functional (the main thing), simple»
- ★Quality of results display
«Results display is better than others»