Calculator Plus with History

All-in-one calculator app that combines a basic calculator with scientific functions, date and percentage tools, financial and tax calculations, currency and unit conversion in one easy-to-use app. The app helps you calculate faster and more accurately.

All-in-one calculator app is designed for:

✔ Basic math and daily calculations

✔ Scientific calculations and algebra

✔ Calculating discounts and percentages while shopping

✔ Budgeting, bills, tax, and expense calculations

✔ Unit and currency conversion

✔ Financial calculations

✔ School homework and study

✔ Multi-step equations with history

✔ Date, age and days calculations

What are Core Features?

Scientific Functions

Solve advanced math problems with a scientific calculator designed for speed and clarity.

✔ Parentheses and multi-step equations

✔ Logarithms and exponential calculations

✔ Trigonometric functions: sin, cos, tan

✔ Algebra and scientific formulas

✔ Memory functions and calculation history

Perfect for students, engineers, professionals, and anyone who needs more than a basic calculator.

Smart Financial Calculator for Everyday Use

Use Calculator Plus for:

✔ Bills and personal expenses

✔ Shopping totals and discounts

✔ Budget calculations

✔ Restaurant tips

✔ Household math

The lightweight interface with big buttons is optimized for fast input, quick results and comfortable reading on phones and tablets.

Percentage and Tax

Whether you’re asking “How much is 20% off?” or “What tip should I leave?”, Calculator Plus delivers accurate answers.

Calculate sales discounts, tax-inclusive prices, tips and gratuities, percentage increases or decreases, profit margins and markups.

Currency and Unit Converter

Convert currencies and measurement units without leaving the app. Compare prices while travelling and quickly switch between common units for work, school, shopping, or everyday tasks.

Calculation History and Memory

Save and review previous calculations to double-check totals, review expenses, compare numbers, continue calculations later and avoid manual errors. The built-in history and memory tools make the app useful for long calculations and financial calculations.

Multi-Window Mode

Open multiple calculator windows at the same time to compare totals, run separate calculations, or handle budget calculations more efficiently.

Widget

Add the calculator widget to your home screen for instant access and quick calculations without opening the full app.

Notes and Saved Calculation History

Attach notes to saved calculations to organize expense calculations, tax calculations, budget plans and currency conversions.

Date and Days Calculator

“How many days until my trip?”

Use a built-in days calculator to count days between dates, calculate age, track deadlines, plan vacations and manage important events.

Who Is Calculator Plus Designed For?

✔ Students

✔ Professionals, engineers

✔ Business owners

✔ Travellers and shoppers

✔ Anyone working with budgets, household expenses, or personal finances

Why Choose Calculator Plus?

✔ Scientific and basic calculator app — all-in-one

✔ Fast and easy to use

✔ Easy percentage, tax and discount calculations

✔ Currency and unit converter

✔ Calculation history with notes

✔ Multi-window support for advanced workflows

✔ Home screen widget for quick access

✔ Clean interface optimized for phones and tablets

Whether you need a reliable calculator for budgeting, taxes, shopping, school or everyday math, Calculator Plus gives you useful calculation tools in one convenient app.