PCalc Lite vs Sci

PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.PCalc Lite is a fully functional and free taste of our very popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design. A great choice for your new iPad! If you like what you see, the full version has many more settings and themes, a paper tape, engineering and scientific notation, and full support for hexadecimal, octal, and binary calculations. You can also now purchase extra features directly from inside PCalc Lite. Buy them individually, or buy everything. Includes an Apple Watch app, so you can calculate on your wrist!

Sci:Pro Calculator is a simple multi-mode calculator for your iPhone, iPad, and iPod Touch (Universal App). The app features three modes of operation: Basic, Scientific, and Programmer. Each mode features an easy-to-access history view and support for sharing results using e-mail or by copying & pasting values to and from other applications. This is our first app for the App Store and we’re making the first version free for everyone to use without ads. If you like the app please take a moment to rate it for us. if you encounter any bugs or problems while using it please let us know and we’ll do our best to fix them as quickly as possible. App Features: • No Ads! • Multi-mode Calculator (Basic, Scientific, Programmer) • Calculation History (Swipe up/down to access) • Full screen key layouts (in all orientations) • Multiple Copy & Paste Formats • Share Results via Email (Plain Text, HTML) • Memory Keys (M+,M-,MC,MR) • Configurable Display Precision (2 to 15 digits) • User Interface Sounds (Configurable: on/off) • Retina graphics (Optimized for all devices) Basic Mode: • High-Precision Floating Point (2-15 digits display precision) • Selectable Display Formats (Standard, Scientific, Engineering) • Basic Math Functions (+, -, ×, ÷) • Percent Key/Mode (Single value or Expression-based) • Parentheses Keys (Expression Grouping/Nesting—iPad Only) Scientific Mode: • High-Precision Floating Point (2-15 digits display precision) • Selectable Display Formats (Standard, Scientific, Engineering) • Basic Math Functions (+, -, ×, ÷, modulo) • Percent Key/Mode (Single value or Expression-based) • Parentheses Keys (Expression Grouping/Nesting) • Trigonometric Functions (Normal, Inverse, and Hyperbolic) • Selectable Trig. Mode (Degrees, Radians) • Exponent Functions (2^x, 10^x, x^y, x², x³ e^x) • Root Functions (√, ³√, x√y) • Logarithmic Functions (Log2, Log10, Ln) • Other Functions (random, Exponent, Factorial, 1/x) • Numerical Constants (π, e) Programmer Mode: • 64 bit Integer Values • Radix Modes & Conversion (Binary, Decimal, Hexadecimal, Octal) • Integer Math Functions (+, -, ×, ÷, MOD) • Bitwise Operators (AND, OR, NOR, XOR) • Bit Shift and Rotate (Single & Multiple bit) • Signed Number Operations (1’s & 2's Complement) • Byte-Flip, Word-Flip • Bit Count • Random Integer • Parentheses Keys (Expression Grouping/Nesting) • Full-time Binary View (iPad Only) • Encoding Views (ASCII, Unicode, RGB) • Multiple Copy Formats (Binary, Hex, Decimal, ASCII, Unicode, RGB value) • Multiple Paste Formats (Decimal, Hex, Octal, and Binary values)