You can easily calculate the values ​​based on "tsubo", "m2", "tatami mat", "size" and "¥".
It supports simple calculation function (+, *) and saving / loading of calculated state.

[Basic usage]
If you tap the cell of the item you want to enter among "tsubo", "m2", "tatami", "size" and "¥", the background color will be light yellow. If you enter a numerical value, the other items will also output the calculated value automatically.
If you tap another cell on the way, you can continue to use it in the switched state.

[Selection of "area"]
It is a function to compare with the size of the existing site. You can select from the following items.
Tokyo Dome = 46,755 m2
Nagoya Dome = 48,169 m2
Koshien Stadium = 38,500 m2
Fukuoka Dome = 69,130 ​​m2
Sapporo Dome = 55,168 m2
Tennis court (singles) = 195.63 m2
Tennis court (doubles) = 260.76 m2
Soccer court = 7,140 m2

[Setting of "¥"]
Unit of reference
Select from "tsubo" and "m2".
The amount based on the selected item is displayed.

Base amount
Select from "Bid" and "Total".
The following formula is displayed in the “¥” field.
Select "Unit Price": (value set in "amount") x (value of item set in "unit of reference")
Select "Total": (value set in "amount") / (value of item set in "unit of reference")

Amount of money
Enter the amount to be used in "Base amount".