Normal Calculator, CASIO Style
Productivity In-app purchases Contains ads
Easily calculate taxes, discounts, currency exchange with infinite history
- Rating
- 4.2
- 997 ratings
- Downloads
- 103K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Aug 30
- 2026 · v3.6.1
Screenshots
About Normal Calculator, CASIO Style
"Desk Calculator" is a specialized calculator for sales, home or workplace. It is the only calculator that has a double inverted screen that allows you to see the results of the calculations from both sides of the calculator, it is ideal for your customers to verify the calculations that you make.
"Desk Calculator" has the following main features.
✅ Ideal for large screen devices (tablets or smartphones), with a CASIO-style keyboard layout
✅ Double Inverted Screen switchable to single screen
✅ 12 digits
✅ Up to 5 decimal places
✅ Discount calculations, whose discount value can be previously configured
✅ Tax calculation (sales tax / VAT / GST, etc)
✅ Calculation with percentages (%)
✅ Cost / Sale / Margin, which allows calculating the cost, sale price and profit margin of a product, given the other two values
✅ Calculation of Grand Total (GT)
✅ +/- (change of sign)
✅ Repetitive calculations with constants
✅ Supports regional numeric format with dot (.) Or comma (,) as decimal separator
✅ Function command signs (+, -, ×, ÷) that will appear on the screen indicating the type of operation being performed
✅ Currency conversion of any currency in the world, whose rates are updated every hour from our servers and are based on the international standard ISO 4217
✅ Possibility of customizing the exchange rate of a currency, being able to include the sale and purchase values separately
✅ The calculator can be used on any screen size (Smartphones and Tablets)
✅ Infinite calculation history, which can be exported to different formats.
✅ Large screens include the possibility of modifying the width of the keyboard in such a way that the hand accommodates the buttons more naturally and thus gains speed.
"Desk Calculator" is a simple and powerful calculator, download the free version.
To temporarily remove ads, watch one of our reward videos or purchase the Premium version to permanently remove ads.
"Desk Calculator" has the following main features.
✅ Ideal for large screen devices (tablets or smartphones), with a CASIO-style keyboard layout
✅ Double Inverted Screen switchable to single screen
✅ 12 digits
✅ Up to 5 decimal places
✅ Discount calculations, whose discount value can be previously configured
✅ Tax calculation (sales tax / VAT / GST, etc)
✅ Calculation with percentages (%)
✅ Cost / Sale / Margin, which allows calculating the cost, sale price and profit margin of a product, given the other two values
✅ Calculation of Grand Total (GT)
✅ +/- (change of sign)
✅ Repetitive calculations with constants
✅ Supports regional numeric format with dot (.) Or comma (,) as decimal separator
✅ Function command signs (+, -, ×, ÷) that will appear on the screen indicating the type of operation being performed
✅ Currency conversion of any currency in the world, whose rates are updated every hour from our servers and are based on the international standard ISO 4217
✅ Possibility of customizing the exchange rate of a currency, being able to include the sale and purchase values separately
✅ The calculator can be used on any screen size (Smartphones and Tablets)
✅ Infinite calculation history, which can be exported to different formats.
✅ Large screens include the possibility of modifying the width of the keyboard in such a way that the hand accommodates the buttons more naturally and thus gains speed.
"Desk Calculator" is a simple and powerful calculator, download the free version.
To temporarily remove ads, watch one of our reward videos or purchase the Premium version to permanently remove ads.
What’s new
Version 3.6.1 · Updated August 30, 2026
• Calculation history has been optimized for ease of use and to prevent memory overflows. • Other bugs have been fixed.
User reviews
I reviewed earlier, for some reason can edit my review but updated my review to 5star due to response from developer. please add chrome support, please have it work like an adding machine with tape. be nice to duplicate the previous entry just hit the "+" or "-" key. also be nice if main fucntions can be worked keyb...
Love it
Very nice app but it has not all clear button.kindly include it.
Owsome culculator I like it
NICE
Very good
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Normal Calculator, CASIO Style | 4.2 / 5 | Free | 100,000+ | Aug 30, 2026 | |
| Calculator ++ | 4.6 / 5 | Free | 1,000,000+ | Nov 29, 2024 | Compare |
| CalcList - Calculate Your List | 4.5 / 5 | Free | 100,000+ | Nov 10, 2025 | Compare |
| CalcTape Calculator with Tape | 4.7 / 5 | Free | 1,000,000+ | Sep 24, 2026 | Compare |
| Simple Calculator | 4.4 / 5 | Free | 1,000,000+ | – | Compare |
| Percentage Calculator | 4.9 / 5 | Free | 1,000,000+ | Jul 27, 2025 | Compare |
| CalcKit: All-In-One Calculator | 4.8 / 5 | Free | 1,000,000+ | Aug 23, 2026 | Compare |
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