Since the app does not use any particular currency, it can be used in any country that uses the Western Arabic numerals and a decimal point as a decimal separator. For example, the app can be used by English speakers in the United States (USA), Canada, Mexico, Dominican Republic, the United Kingdom (UK), Ireland, Australia, New Zealand, England, Scotland, Israel, Egypt, Malaysia, Singapore, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka, Thailand, and The Philippines. Users in many other countries, such as, Argentina, Armenia, Austria, Belarus, Belgium, Brazil, Chile, Czech Republic, Denmark, Finland, France, parts of Canada, Germany, Greece, Italy, Indonesia, The Netherlands, Norway, Poland, Portugal, Russia, South Africa, Spain and Sweden, who usually use decimal comma as a decimal separator, can use this app by replacing the comma with a period (point). For example, they can use the app successfully by entering 35.74 instead of 35,74.