One Plus One 2.0.4

the author of this app says:

One Plus One is a standard algebraic scientific and financial calculator.

One Plus One's features include:

• 25 scientific functions
• Five financial functions
• Four number bases
• Four statistical functions
• More than 15 levels of parentheses
• 20 memory registers (two banks of 10 each)
• Fix, Sci and Eng display formats
• Graffiti input
• Copy-and-paste functions
• International number formats and extensive documentation

Requirements

MathLib (included)