CustomCalc is the most complete and user friendly financial and scientific calculator. It lets you place the function buttons that you use most right where you prefer them to be, so you can execute them in just one tap, or click.

Input mode may be RPN, or Algebraic. It has all the Math and Trigonometric functions, an advanced set of Business & Financial functions with powerful worksheets, Statistical functions for the analysis of data series for up to two variables, and performs Linear Regression, Date and time calculations, and much more.

• Place the functions that you use most where you prefer. Define Profiles, so you may have more that one layout
• Advance business, financial, statistical, and scientific functions, with unit conversions.
• Financial calculation in Nominal or Effective annual interest rate.
• TVM, Bond, Breakeven, Cash Flow, and Interest converter in automatic calculation worksheets.
• Statistical analysis through the keyboard or automatic worksheets.
• Five Linear Regression computations.
• Two line display.
• Manage numbers stored in memory through a user-friendly memory table.
• Powerful scientific functions, with all the trigonometric, hyperbolic, log and exponential functions
• Three input modes RPN, Algebraic, and Sequential Algebraic.
• Interaction with other programs though the clipboard.
• Internal calculations performed with 16 digits precision, and results may have up to 12 digits, formatted according to the Palm OS Preferences.

NEW in version 2.0

• COLOR: if you have a color PDA, CustomCalc will display in color taking a little bit more of memory. You may customize any button foreground and background colors.
• Palm OS5 compatible: tested and running on PDAs with Palm OS5.
• Two line display: The two line display will show you at any time the contents of the x and y numbers, so you can easily view the numbers you are working with.
• Three new business functions added: Tax%, Tax+, and Tax-. For easy every day calculations.
• Icons in the shortcut bar, so you may easy access to the more common features like Define Button, Profile, Copy, and Paste. This will let you change your Profile in just three taps.
• 35 New unit conversions in three groups: Speed, Energy & Work, and Power; plus a Dimensionless function to easy clear the dimension of the number displayed.
• Addition or subtraction between same units, the display will show you the unit (e.g. ?in?, ?ft?, ?cm?) appended to the number after the arithmetic.
• Sticky Shift preference: If selected, CustomCalc won?t return to the Main Keyboard layout every time you select a button on any of the two Shift keyboard layout
• New Floating Point display format, in addition to previous Fixed, Scientific, and Engineering number format.
• Fixed some bugs, and number rounding for display, as a stronger and improved Algebraic input mode.

"I have trialled all of the Palm financial calculators that I could find and CustomCalc is the clear winner in my opinion." James Vaughan

ZDNet rating: "an impressive customizable calculator...extremely easy-to-use