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Calculator SC-323PU app for iPhone and iPad


4.6 ( 2096 ratings )
Utilities Education
Developer: Thomas Öllinger
3.99 USD
Current version: 1.11.2, last update: 1 year ago
First release : 11 Jul 2009
App size: 15.38 Mb

The SC-323PU is a multi functional calculator. It is designed in a way, that it simulates the visual and operational aspects of a true pocket calculator, such that the user will be immediately familiar with its interface. A complete operation manual is included within the App.

The SC-323PU offers the following calculator modes for different tasks:

- SCIENTIFIC CALCULATOR
- UNIT CONVERTER and UNIT CALCULATOR
- LOGIC CALCULATOR (n-base conversion)

• Full operating instructions are included in the App (visible when device is in landscape orientation).
• All modes share the same memory contents, and calculation value, so that the different calculator modes can be used in one calculation task.
• Pasteboard support (copy and paste)
• Algebraic logic for calculation entry.
• Priority of calculations according to a given mathematical formula.
• 30 levels of parentheses or pending operations.
• Variables and memories to store values and use in calculations.
• Floating decimal point calculations with 20 digits mantissa and 2 digits exponent.
• Calculations: Four arithmetic calculations, constant calculation, memory calculations, trigonometric and inverse trigonometric functions, hyperbolic and inverse hyperbolic functions, conversion of angles and time, reciprocals, square roots and cubic roots, X-th roots of Y, squares and powers, logarithmic and exponential functions, factorials, permutations, combinations, conversions of coordinates.
• AER (Algebraic Expression Reserve) for repetitive calculations of expressions and formulas.
• Complex number calculations.
• Different display modes selectable: floating point decimal, fixed point decimal, scientific notation and engineering notation.
• DEG/RAD/GRAD selector key.
• Fraction calculations.
• Time calculations.
• Frame rate calculations.
• 47 physical constants.
• Unit converter and currency converter.
• Calculations with mixed units.
• The calculator is shipped with 84 physical units and 16 SI prefixes predefined.
• Exchange rate of currency units will be updated automatically from internet.
• Additional units can be defined by user.
• Single and two lines view modes optimized for different conversion tasks.
• Conversions between 4 base systems HEX, DEC, OCT, BIN.
• Boolean operations AND, OR, XOR, NOT, bit shift operations.
• Conversion from “little endian” to “big endian” format and vice versa.
• Handling of 8, 16, 32 and 64 bit signed and unsigned numbers including overflow calculations.


Also on your Apple Watch! You can do basic calculations, tip calculations, unit and currency conversions and even scientific calculations directly on your wrist. Designed with large keys for best usability on the small screen.

Pros and cons of Calculator SC-323PU app for iPhone and iPad

Calculator SC-323PU app good for

Why so late I found it? You and SC-323PU are best. I checked (and paid) a lot but all (PCalc, HPs like, ...) for trash - less than 16 dig input. Ask You only possibily Copy and Paste like Windows Calculator. Thank You!!!
Im a high school physics teacher and Im always looking for a calculator. This on is great (easier to use than the stock iPhone one). I only wish it had a quadratic equation solver mode. That would make it perfect!
This is a great buy for those who dont like RPN notation. Fast, versatile, with every commonly needed function and conversion, as well as a few that are not.
The best calculator I have found. Great interface and simple to use and switch between modes. Extensive and classic looking manual. Would be perfect if had option for key clicks, and several other programming functions like rortate(ROR, ROL), ASCII, bit mask builder. Great app, Thanks
great manual, very versatile. I primarily need engineering functions. There are a few more things that I would like added, conversions and units specific to time/frequency, memory, etc.
I was looking for a great programmers calculator, as Ive been doing tonnes of bit-manipulation for a project Im working on. It supports both signed and unsigned modes for 8, 16, 32 and 64 bits - just great! Switching between modes by sliding is great, and I considered it a bonus to get the conversion (including currency) and regular scientific calcs. 4 stars as it functions identically to a traditional calculator, 5 stars for innovating and addition more features that could only be implemented on a touch screen.

Some bad moments

When I press the app, I want the calculator, not some annoying opening screen. Even if its just a second or so, it wastes my time. I couldnt care less about the version or developers name. If thats a mask for load time, tighten the code. There are others apps just as useful.
Stopped working after a week. No help or support on the web link. No reply when I reported a problem. Save your money!
Give me an option to bring back the old look, and Ill bring back the stars. Until then... no stars for you!