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8.4.2
Play ProtectAll-in-one calculator app for Android.
By Hafiz Rahman
Editor, tools and utilities
Calculator Plus with History is an all-in-one calculator app. It mixes a basic calculator with a scientific one, plus several specialized tools like date, finance, tax, and conversion calculators.
The developer positions it for people who need more than quick arithmetic, including students, engineers, and anyone doing budgeting or homework that involves steps, dates, percentages, or conversions.
A key part of the app is that it supports multi-step calculations and keeps history so you can revisit earlier results.
The scientific calculator mode is built for more complex math. The listing says it supports parentheses and multi-step equations, so you can structure calculations instead of doing everything in one line.
It also lists common higher-level functions such as logarithms and exponential calculations. It includes trigonometric functions like sin, cos, and tan, plus algebra and scientific formulas.
Memory functions are included, and the app tracks calculation history. In practice, that means multi-step work can be recorded rather than rewritten from scratch every time.
Beyond standard calculator work, it includes calculators for shopping math such as discounts and percentages. This is meant for scenarios like figuring out sale prices while you’re comparing numbers.
The listing also describes finance and tax calculators. It frames these as tools for budgeting, bills, and expense tracking, which is useful when you need repeated calculations during planning or month-to-month tracking.
The app is presented as an all-in-one place to do these kinds of calculations without switching between multiple calculator apps.
The app includes date and days calculations. The listing also mentions date, age, and days tools, which fits tasks like counting days between dates or working with age-related date calculations.
It also includes unit and currency conversion. The developer lists currency conversion and unit conversion as part of the core set of tools, so you can handle measurements and money-related conversions without leaving the app.
Combined with the history and multi-step equation support, this set of tools is designed for people who do repeated calculations across school, daily errands, and planning.
The store listing context provided here does not mention an account requirement, subscriptions, or an in-app purchase unlock. It also does not mention ads.
No pricing information is included in the listing context, so this guide can’t say whether anything costs money based on the text we have.
The listing context does not state what the app does not do. Based on the available description, it focuses on calculations, history for multi-step work, date and age math, finance and tax calculations, and unit and currency conversion.
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