This is a calculator application that allows you to display and modify formulas. It allows you to enter formulas while checking them, keeping you from making mistakes or making calculation mistakes. It is also possible to reuse previous formulas to change only certain values ​​to calculate them.
The pointer points on the screen, and you can tap or press the arrow keys to quickly navigate to where you want to edit. It has a powerful, flexible and intuitive user interface with support for swiping to scroll through formulas and long press to copy and paste.

[ Features ]
– Easy recipe editing operation
– Recalculate using history
– Four arithmetic operations, base, percentage, time, tax and parentheses
– Memory, M+, M-, MR, MC
– Scroll up/down the line
– Cut, copy and paste
– Group separator and decimal point
– Various settings (long touch MENU key)

[ What do you use “Calculator” for ]
– General Calculator
– Taxes and VAT
– Revenue, profit and expenses
– Split payments at the restaurant
– Calculate long formula
– Formulas include parentheses
– Elapsed time, addition and subtraction time, production time, cost over time

[ 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 [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 shows long expressions on the screen. If you might mistake the input expression, you can correct it easily and quickly using the backspace key, the arrow keys, and the C (delete) key.

[ Re-play and history functions ]
The calculator has a “Replay function”. It shows expressions that you have entered recently with the △ (playback) key. If you press and hold the replay key, the expression history table becomes available.

[ Last answer and history functions ]
The final answer is to indicate the final calculation result using the Ans key. If you press and hold the Ans key, a table of the most recent answer history will be available.

[ Percent calculator ]
If you want to calculate “20% more \$50” you can enter 50 + 20% and get the result.

[ Tax calculator ]
This calculator can store tax rates in settings. And you can get tax included/excluded price easily and quickly by using Tax + / Tax- keys.

[ Disclaimer ]
Please note in advance that Appsys is not responsible for any damages or lost profits resulting from the use of this software or any claims from third parties.