PCalc

PCalc is a full-featured, scriptable scientific calculator with support for hexadecimal, octal, and binary calculations, as well as an RPN mode, programmable functions, and an extensive set of unit conversions.

Includes a Notification Center widget, and support for Handoff with the iOS 8 version.

• The Today widget has been greatly improved, and now features an advanced scientific mode and full keyboard support.
• Various fixes and enhancements to the main app.