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Calculacha - Simple Calculator app for iPhone and iPad


4.8 ( 2288 ratings )
Business Productivity
Developer: Shinya Iwasaki
Free
Current version: 9.1.11, last update: 6 years ago
First release : 30 May 2017
App size: 21.98 Mb

: Get 25% discount of 10 dollars just by entering "10 - 25%"!
: Choose the theme thats right for you!
: Safely delete one character at a time!
: Both the input field and answers can hold up to 38 characters!
: Use the "000" button to enter a thousand with just two taps
: You can delete one character at a time by tapping the "C" key, and clear by long-pressing it
: Have fun with TTS in both English and Japanese!
: Enjoy using a calculator!
: You can purchase add-ons such as removing ads from the settings screen.

A calculator made by the dev of Tweecha, which reached #1 among Twitter apps.
Even though it is simple, Calculacha is unique and fast. Lets make using a calculator enjoyable!

Help & Feedback
For requests, bug reports, and inquiries, please contact us using the following:
http://sinproject.net/community/
We will strive to make Calculacha fun and easy for everyone.

How to calculate percentages

: To get +20% of $10: 10 + 20%
: To find the price of a $10 item with a 25% discount: 10 - 25%
: To get 40% of $30: 30 × 40%
: To find the retail price when an item is $3 under a 30% discount: 3 ÷ 30%