KoalaCalc

The list of features includes:

• Numerous mathematical functions including trig and log functions plus 10 individual memory banks
• Conversion to and from dozens of units (inches to millimeters, pounds to kilograms, etc.)
• Basic statistical calculations on up to 10 data sets including t-tests and analysis of variance (ANOVA)
• Built-in tape recorder (contents can be saved, recalled, or printed)
• Voice feedback (button pressed and/or computed value can be read aloud)
• Built-in expression calculator which supports brackets and the proper order of operations
• Probability calculator computes exact p value based on the F distribution, with or without epsilon correction (this unique feature is useful for statistical calculations)
• Constants menu which can be customized
• No silly 2nd function button - all features have their own button
• Most buttons including advanced scientific functions include keyboard shortcuts - a real time saver
• Help on how to use each button is provided by simply leaving the mouse cursor over a button for a few seconds
• User can set various preferences including
• Advanced features can be hidden to reduce the size of the footprint