See the expression.
Big, comfortable, and accurate.
Always see the full formula while you type—no guessing, no retracing steps.
History supports edit, reorder, duplicate, search, and copy for quick reuse.
With a Large Widget, start calculating instantly from your Home Screen or iPad.
Why Calculator Plus
1. Clarity with visible expressions
- See the entire formula as you type
- Spot mistakes at a glance
- Monospaced digits for readability
2. Big, tap-friendly UI
- Spacious key layout reduces errors
- Color cues for quick recognition
- Looks great on iPad
3. History you can work with
- Edit, reorder, duplicate, and search entries
- Copy results in one tap
- Reuse and compare calculations fast
Main Features
Large Widget for instant math
- Large Widget (Home Screen / Today View)
- ＋ − × ÷ ＝ / AC / TAX / ⌫ / ± / .
- Immediate updates on tap
* Lock Screen & StandBy not supported (Large-only widget)
Fast tax calculations
- Set tax from 0% to 100% in 1% steps
- Inclusive / Exclusive toggle
- Localized digit grouping & rounding
Scientific & display controls
- sin / cos / tan / √ / log, etc.
- Angle unit: degree / radian
- Decimal places (0–10) & font size
999 + 7 = 1,006
100 (incl. 10%) → 110
Use Cases
Shopping & Home
- Quickly check discount totals
- Switch between tax-in / tax-out
- Copy results to your notes
Work & Estimates
- Reorder history to organize tasks
- Duplicate to compare scenarios
- Reuse formulas without retyping
Study & Research
- Understand with visible expressions
- Verify with scientific functions
- Review via searchable history
FAQ
Can I use it on the Lock Screen or StandBy?
The widget is Large-size only, so Lock Screen and StandBy are not supported. Please use it on the Home Screen, Today View, or iPad.
How do I set tax?
In Settings, choose a rate from 0% to 100% in 1% steps. You can also switch between inclusive and exclusive.
Can I edit or reorder the history?
Yes. You can edit, reorder (drag & drop), duplicate, search, and copy history items for fast reuse.
How are errors displayed?
Division by zero or invalid expressions show “Error”, with color cues to ensure visibility.
“See the expression” — make everyday math clearer and faster.
Large Widget for instant access on the Home Screen or iPad. History supports edit, reorder, duplicate, search, and copy.
* Features and specifications may change without notice.