ポケット電卓 -計算式をタッチで修正可能,メモリ・履歴機能搭載
It is an application "Pokecal" which can use it easily and can correct a formula.
Feature
1. Correspond to the difficult formula which uses a parenthesis.
2. In size also with exactly sufficient display size in which inputted formula is displayed.
3. A correction part can be touched and deleted or add when the formula is wrong.