eCalculator - Enhanced Edition

Designed to take the original calculator to the next level with simplicity and functionality.

This app features all basic and scientifc calculation from the original calculator with more advanced functions like history, calculation equation, scientific mode in portrait, calculation on the widget, themes, and keyboard input.

Unlock the power of binary, octal, decimal, and hexadecimal math with Programmer Calculator.

Solve fraction math problem quickly and easily with fraction calculator.

Includes international currency conversion and variety of units conversion categories.

Tip calculator to calculate tip percentage for food and drink on the fly.
Save time when use bill splitter, and tip exactly what you mean to, no more, no less.

BASIC/SCIENTIFIC CALCULATOR
• All functions like the original calculator app
• Basic calculation in portrait
• Scientific calculation in both portrait and landscape
• Access result and do calculation on widget
• Switch between Degrees and Radians calculations
• Make more complex calculations with Memory buttons
• Simply swipe on the digits to delete a single wrong digit

UNIT CONVERTER
• Currency converter with daily updated exchange rates in the universal currency
• Freely convert units from variety of categories
• All catalogs in converter include: Currency, Area, Data, Length, Weight, Velocity, Temperature, Time, Volume, Acceleration, Angle, Current, Energy, Force, Illumination, Inductance, Magnitude, Power, Pressure, Radiation and Torque

FRACTION CALCULATOR
• Built-in fraction calculator to solve fraction math
• Display result in proper fraction, improper fraction or decimal number

PROGRAMMER CALCULATOR
• Multi-base calculations with seamlessly switch between binary, octal, decimal and hexadecimal
• Perform arithmetic and logical operations
• Directly view and manipulate the individual bits of the binary number with built-in Bit Editor

TIP CALCULATOR
• Calculate tip of bill on the fly
• Split the bill to share with others
• Simply swipe to round any number of total, tip, or per person
• Built-in share function to easily share the number

SIMPLICITY
• Check previous calculation with history
• View whole equation during calculation
• Copy and paste numbers from or into display
• Support external hardware keyboard input
• Quickly launch different modes with home screen quick action

INTERFACE
• Get new feel of different looks with multiple themes
• Buttons feedback sound and haptic to ensure you touch the buttons correctly

NOTES:
• To add widget in iOS 14 or later, scroll to the bottom of the widget list, tap Edit, tap Customize, add Calculator widget, and tap Done.