Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

History Calculator -zen- Screenshots

iPad

iPhone

About History Calculator -zen-

History calculator -zen- is a revolutionary easy-to-use calculator.

■ You can see the formula.
You can see the expression you are editing. Calculate by pressing "=".

■ Calculate according to operator priority.
Calculate first in parentheses. Multiplication / division is priority to addition / subtraction.

■ Calculation history can be edit.
You can recalculate past calculation contents.
Use the ARROW button to move the cursor, delete numbers at the cursor position, and insert numbers and symbols.

■ Advertisement is displayed.

■Disclaimer
Although I am making every effort to make the calculation results done with this App, I do not guarantee its accuracy. Please understand that I will not assume any responsibility for damage, loss, disadvantage, etc. caused in using this App.