Calculator

The Description of Calculator

Site Editorial Commentary：Simple calculator which has a large display.

This calculator app allows you to display and modify formulas with ease. It helps prevent typing errors and calculation mistakes by enabling you to check formulas as you enter them. You can also reuse past formulas, modifying only specific values for quick recalculations.

The cursor is clearly visible on the display, and you can use taps or the arrow keys for swift navigation to any point you want to edit. It boasts a powerful, flexible, and intuitive user interface that supports swiping to scroll through formulas and long-press actions to copy and paste.

[ Features ]
- Easy formula editing
- Recalculation using history
- Basic arithmetic operations, root calculations, percentages, time calculations, tax calculations, and parentheses support
- Memory functions: M+, M-, MR, MC
- Vertical scrolling
- Cut, copy, and paste functionality
- Expression and answer history
- Grouping separator and decimal point customization
- Various settings (accessible via long tap on the MENU key)

[ Use Cases for "Calculator" ]
- General calculations
- Tax and VAT calculations
- Sales, profit, and cost analysis
- Splitting bills at restaurants
- Complex formula calculations
- Formulas involving parentheses
- Elapsed time calculations, time addition and subtraction, production time tracking, and costing based on time

[ Example Calculations ]
[ Four arithmetic operations ]
1 + 2 - 3 × 4 ÷ 5 = 0.6

[ Time calculation ]
16:15 - 12:45 = 3:30:00

1. 5 × (16:15 - 12:45) = 5:15:00
Press the [H:M:S] key to change the value after calculation.
=5.25

[ Root calculation (Long press)]
√( 2 × 2) = 2

[ Percentage calculation ]
500 + 20% = 600
500 - 20% = 400
500 × 20% = 100
100 ÷ 500% = 20

[ Tax calculation ]
500 Tax+ = 525
525 Tax- = 500

[ Parenthesis calculation ]
( 1 + 2 ) × ( 3 + 4 ) = 21
( 1 + 2 ) ( 3 + 4 ) ( 5 + 6 ) = 231

[ Display ]
The calculator displays long expressions clearly. If you make a mistake while inputting expressions, you can easily correct them using the backspace key, arrow keys, or the C (clear) key.

[ Replay and History Functions ]
The calculator features a "Replay function" that displays recently inputted expressions using the △ (replay) key. Long-pressing the replay key provides access to the expression history table.

[ Last Answer and History Functions ]
The last answer function displays the result of the last calculation using the Ans key. Long-pressing the Ans key opens a history table of previous answers.

[ Percent Calculator ]
To calculate “20% more than $50”, simply input 50+20% to get the result.

[ Tax Calculator ]
This calculator allows you to store a tax rate in the settings. You can then easily calculate prices including or excluding tax using the Tax+/Tax- keys.

[ Disclaimer ]
Please be aware that Appsys is not liable for any damages or lost profits resulting from the use of this software, or any claims made by third parties.