About Calculator - Currency - Unit
This multi-function app is a scientific calculator packaged with currency converter and unit converter. It is powerful and user-friendly for school, work and for everyday use. == Feature Highlights == • History Manager:...
This multi-function app is a scientific calculator packaged with currency converter and unit converter. It is powerful and user-friendly for school, work and for everyday use.
== Feature Highlights ==
• History Manager: review calculation/conversion history, reuse/share/insert/copy expression and result, and delete individual/all records. See below for details.
• iPad Landscape Mode: display functions and numeric keys side by side for higher efficiency, or display history records and numeric keys side by side. See below for details.
• Full editing options: Undo, Redo, Select, Select All, Cut, Copy, Paste, and Cancel
• Full expression display in multiple lines: review and easily check entry errors
• Caret support, easier to edit an entry
• Instant detection and identification of invalid entries
• Unique and playful button sound and haptic effects, both mutable (note: haptic effects are only available on iPhone 7 & plus and later iPhone models)
• Aesthetic in user interface, easy and simple to use
== Scientific Calculator ==
• +, −, ×, ÷, (), +/-, %, delete, clear-all
• (Inverse) trigonometric functions: sin, cos, tan, asin, acos, atan (radian & degree)
• (Inverse) hyperbolic functions: sinh, cosh, tanh, asinh, acosh, atanh
• Constants: e, π
• Scientific notation E: enter numbers in the format of scientific notation, such as, 1.8E6 or 2.21E-10
• Roots: square root, cubic root
• Power & exponential functions: x^2, x^3, x^y, 2^x, 3^x, 10^x, e^x
• Logarithmic functions: ln, log2, log10
• Absolute value: |x|
== Currency Converter ==
• +, −, ×, ÷, (), +/-, %, delete, clear-all
• Converts back-and-forth and does calculation as well
• Supports daily updates for 37 major world currencies (AED, AUD, BGN, BRL, CAD, CHF, CNY, CZK, DKK, EUR, GBP, HKD, HUF, IDR, ILS, INR, ISK, JPY, KRW, LKR, MXN, MYR, NOK, NZD, PEN, PHP, PLN, RON, RUB, SAR, SEK, SGD, THB, TRY, TWD, USD, ZAR)
• Supports offline conversion. When there is no internet connection, last downloaded rates are available for conversion.
• Daily updates from three trusted sources: the U.S. Federal Reserve, European Central Bank, Bank of Canada
== Unit Converter ==
• +, −, ×, ÷, (), +/-, %, delete, clear-all
• Converts back-and-forth and does calculation as well
• Supports 13 common categories: Area, Data, Energy, Force, Frequency, Length, Pressure, Speed, Temperature, Time, Volume, Weight, Others
• 181 units of measurement, 3,207 conversions
• Supports both British Imperial and U.S. Customary
• Supports unit measurements in both Mainland China & Taiwan
== In-app Purchases ==
We offer the following two in-app purchases to access additional features. Your purchase and generous support can greatly help us to continue developing this app. Thank you!
• One time purchase is for both iPhone & iPad
• Review calculation/conversion history
• Copy or share expression and result
• Reuse expression
• Insert expression or result at the caret (cursor) with detection of error/invalid input
• Delete individual or all records
• History records are listed in alternate colors for easy browsing, each is marked with its date of creation. Long expressions are compressed or expanded automatically.
• Calculator, Currency and Unit converters all support History
• When using Calculator, iPad Landscape displays functions and numeric keys side by side, for higher efficiency. Calculation history and numeric keys may also be displayed side by side, allowing you to watch recordkeeping of calculation simultaneously.
• When using Currency & Unit converters, iPad Landscape displays conversion history and numeric keys side by side, allowing you to watch recordkeeping of conversion simultaneously.
== Support ==
• Website: https://www.theequally.com
• Contact us:
[email protected]
== Credits ==
UX designer: Cheryl S. Yee
UI designer: Cheryl S. Yee
Apr 9, 2024
Version 3.1.3
- added currency AED
- improvements
Previous Versions
Here you can find the changelog of Calculator - Currency - Unit since it was posted on our website on 2023-07-07 13:35:13.
The latest version is 3.1.3 and it was updated on 2024-04-19 19:23:01. See below the changes in each version.
Calculator - Currency - Unit version 3.1.3
Updated At: 2024-04-09
Changes: Apr 9, 2024
Version 3.1.3
- added currency AED
- improvements
Calculator - Currency - Unit version 3.1.1
Updated At: 2024-03-11
Changes: Mar 11, 2024
Version 3.1.1
- performance improvements
- rearranged the option buttons for sound and haptic effects
Calculator - Currency - Unit version 3.1.0
Updated At: 2024-02-11
Changes: Feb 11, 2024
Version 3.1.0
V3.1 updates the following improvements to facilitate latest In-App Purchase features:
- Popup reminder that tapping “f/H” can enable switch between “History Manager” and “Scientific Functions” or switch between “History Manager” and “(), +/-, %”.
- To avoid confusion, an explanatory message is displayed when there is no record in History.
- When History trial ends, an “info” button will be displayed, tap for details.
- At any time, you are welcomed to find out more about In-App purchase by tapping the upper right About button “…”, and tap “Unlock”.
Calculator - Currency - Unit version 3.0
Updated At: 2023-12-18
Changes: Dec 18, 2023
Version 3.0
Version 3.0 is our second mile stone release, with great new features and many improvement updates:
Two new features (in-app purchase with limited free trial):
• History Manager: review calculation/conversion history, reuse, share, insert, copy expression and result, and delete individual/all records. History records are listed in alternate colors for easy browsing, each is marked with its date of creation. Long expressions are compressed or expanded automatically. See full app description for more details.
• iPad Landscape Mode: display functions and numeric keys side by side for higher efficiency, or display history records and numeric keys side by side. This strong feature also allows you to watch recordkeeping of calculation/conversion simultaneously. See full app description for more details.
• The two in-app purchases above is USD$0.99 each. Your purchase would mean a lot, really appreciate your strong support to keep us going. Thank you!
Other improvement updates:
• Function button “f” is relabeled as “f/H” to indicate interchangeable functions of Scientific Functions & History Manager. Tapping this button lets you switch between Scientific and History. Use the close button “X” next to “f/H” to switch back to numeric keypad.
• Enhanced detection for error and invalid input, especially when Paste option is applied.
• Unit converter’s Weight category added two new units: Carat (ct) & Troy Ounces (oz t).
• In Unit converter’s Data category, units are rearranged and labeled to indicate explicitly based-2 (binary system) or based-10 (decimal system). For example, "(base 2) Kibibyte (KB, KiB)” means “1 KB = 1024 B”, and “(base 10) Kilobyte (kB)” means “1 kB = 1000 B”.
• Button “...” added new share option.
• Optimized button size.
• Improved the display of unit drop-down menu on all iPad models.
• Other improvements.
• Fixed minor bugs.
Calculator - Currency - Unit version 2.0.2
Updated At: 2022-10-06
Changes: Oct 6, 2022
Version 2.0.2
Version 2.0.2 further optimizes the last version 2.0.1:
- Visual improvements for the About dialog box, in both light mode and dark mode (About dialog box is displayed when you tap the button "..." at the upper right corner)
- Additional feature to close the About dialog box by tapping anywhere outside the box
