MathU 2.0.4

the author of this app says:

This is a precise calculator for the handheld. It even allows you to use graffiti. Additional features include:

• 25 scientific functions
• Five financial functions
• Four number bases
• Four statistical functions
• 20 memory registers (two banks of 10 each)
• Fix, Sci and Eng display formats
• Graffiti input
• A copy-and-paste function
• International number formats
• Six color skins

Requirements

MathLib (included)