A simple, stylish calculator.
One use of this free app, and you’ll never want to be without it.

Percent calculations make calculating sales tax easy.

Calculator supports the following features.
[Percent Calculation]

[Constant Calculation]
Constant calculations follow the Casio-style.
After inputting the desired number, tap the desired operator twice to set it as the constant.
Ex) When you want to constantly add 100

[Exponential Calculation]

[Compound Interest Calculation]
Ex) When calculating the yearly maturity on 0.5% (after tax) of $10,000 deposited yearly.

Calculator does not support function operations.
It uses Sharp-style calculation formulas.

[Main Functions]
- Input up to 12 digits.
- Supported for iPad.
- Customizable themes.
- Customizable display
- Set the rounding of decimals
- Set the rounding place of decimals
- Constant calculation (Casio-style)

URL Scheme: woodsmall-calculatorplus://

Made in Japan.
© woodsmall inc.

What’s New

Version 1.8.9

- Improvement of bug fixes and performance

Ratings and Reviews

4.6 out of 5
12 Ratings

12 Ratings

Sultan- ,


It’s a useful app. Sometime I forget thing but it gives all the details of my calculations/transactions. Thanks for the wonderful facility which helps a lot to Seniors like me.

grace521209 ,

Simple and useful

Big words for me , I do like it and be easy to use it .

App Privacy

The developer, woodsmall inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Other Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics
  • Other Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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