Pascal: 3-in-1 Calculator

Pascal (formerly Calculator) is a professional-grade 3-in-1 scientific, graphing and programmer calculator.
For FREE, Pascal comes loaded with a feature-packed scientific calculator, Today widget and Apple Watch app.
The graphing calculator and programmer calculator require IAP unlock, but come with 3 trials each for you to give them a test run.
During the trial periods you have access to all features.
TIP: Simply reinstall the app to replenish the trial counts.

Some noteworthy features:

Scientific Calculator (FREE)

- Supports degree, radian and gradian modes

- Decimal factorials

- Modulo operator

- Permutations (nPr) and combinations (nCr)

- Standard memory functions

- RPN mode

Graphing Calculator (IAP)

- Includes all functions the scientific calculator offers

- TI-like design

- Perform calculations on a smart tape (i.e.
no need to close parenthesis, multiply out brackets, real-time syntax highlighting)

- Plot graphs using adaptive sampling algorithm to generate precise results

- Show or hide roots/intersections and trace values

Programmer Calculator (IAP)

- Supports 8, 16, 32, and 64-bit bitwise calculations

- Binary (base-2), octal (base-8), decimal (base-10), and hexadecimal (base-16) numeral systems too

- Unicode (UTF-16) and ASCII character encoding

- A binary table that shows you in real time the binary representation of the current operand

- RPN mode,

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