おつり電卓

This is a convenient automatic calculation app that lets you see at a glance how much change you will get when you pay in 1,000 yen, 5,000 yen, 10,000 yen, etc., just by entering the price.

Great for the following situations!

Calculating change when trading cash at a flea market

Calculating change when shipping or delivering to a home

Cash exchanges between friends or when selling privately

Sales work at travel sales or event venues

For children to learn math and money

Very easy to use

Just enter the product price (e.g. 1,280 yen) and press the calculate button. Then, multiple payment patterns and change are instantly displayed so that you can respond immediately no matter what bill or coin you pay with, such as "20 yen change if you pay with 1,300 yen," "220 yen change if you pay with 1,500 yen," "720 yen change if you pay with 2,000 yen," "3,720 yen change if you pay with 5,000 yen," and "8,720 yen change if you pay with 10,000 yen."
Useful features
Change calculation function

Automatic change calculation - Almost all payment patterns are displayed simultaneously with one input
Direct deposit input - You can also pinpoint calculations by directly inputting the actual deposit amount, such as "3,080 yen deposited"
Full support for Japanese yen - Supports all bills and coins from 1 yen to 10,000 yen bills
Mistake prevention - Prevent problems caused by calculation errors

Calculator function

Switch to calculator screen with "Calculator" button - Switch to calculator mode immediately when necessary
Supports arithmetic operations and tax-inclusive calculations - Supports basic calculations to tax-inclusive prices
Tax rate setting - Select from none/8%/10%
Perform tax-inclusive calculation with "Tax included" - Calculate tax-inclusive price with one touch
Press "Back" to reflect the result in the price column - Use the calculation result as it is for change calculations

This is an app that is quick and easy to use with minimal input effort. With the addition of the calculator function, you can now complete everything from calculating product prices to calculating change with just this one app.
Make cash payments at flea markets and deliveries safe and smooth. This practical tool eliminates the worry of "how much change will I get?" and supports transactions between individuals.