皆さんのご協力に感謝します

自分で見つけたもの
CuteCalc Business Calculator
https://play.google.com/store/apps/details?id=com.gmail.kobe.itstudio.cutecalcb
TaxPlus Calculator
https://play.google.com/store/apps/details?id=com.browndwarf.taxplus
Casio Classic Calculator
https://play.google.com/store/apps/details?id=com.ancientdevelopers.casioclassiccalculator
計算式電卓
https://play.google.com/store/apps/details?id=com.burton999.notecal