bayesian calculator
Bayesian Calculator 2.0.2
Bayesian Calculator is a distinguished and easy to use tool which calculates positive predictive power, given prevalence and test results. more>>
Bayesian Calculator 2.0.2 is a distinguished and easy to use tool which calculates positive predictive power, given prevalence and test results.
Requirements: Mac OS X 10.2 or higher (Universal Binary)

Caveman's Calculator 1
Cavemans Calculator is a highspeed and powerful calculator with seven functional scales and a slide ruler. more>>
Caveman's Calculator 1 is a highspeed and powerful calculator with seven functional scales and a slide ruler.
There was once a time when most calculations were done with a slide rule. Caveman's Calculator brings the some of the most common slide rule functions to your desktop. Seven functional scales (C, D, A, B, CI, K, and L) with Quartz-precision placement of tick marks are packaged together in a sleek design. Caveman's Calculator allows you to multiply, divide, square, square root, inverse, logarithms, powers of ten, and a couple more.
Spine Calculator 1.0
Spine Calculator will calculate the spine of a book given the paper thickness and number of pages more>>
Includes presets of several paper thicknesses.
Tested with Mac OS X 10.3.9.
Enhancements:
- changes with version 1.0.
Cavemans Calculator 1.0
Cavemans Calculator - most calculations are done with a slide rule more>>
There was once a time when most calculations were done with a slide rule. Cavemans Calculator brings the some of the most common slide rule functions to your desktop. Seven functional scales (C, D, A, B, CI, K, and L) with Quartz-precision placement of tick marks are packaged together in a sleek design.
Cavemans Calculator is strictly for personal/educational use. Do not use it for commercial purposes. Cavemen do not like money.
The icon is part of the Togozoo icon set created by Agus Wijaya, who graciously allowed me to use it for this application.
VAT Calculator 2
VAT Calculator - Calculates VAT after entering net or gross amounts at the click of a button more>>
Pretty simple really, but saves time.
Enhancements:
- VAT Change rate now on reverse.
- Suggested by Rich - comment posted on my blog.
Media Calculator 1.2.1
Media Calculator - View optimal data rate of a video stream more>>
Tape Calculator 0.2
Provides access to a standard adding machine right from your dashboard. more>> Provides access to a standard adding machine right from your dashboard.
Tape Calculator was designed to replace a standard desktop adding machine, allowing 10-key touch number entry. Tape Calculator is perfect for high-speed substraction and adding of numbers and being able to verify totals.
Enhancements
- No longer makes a noise with every keypress.
- Supports copy - pressing [command+c] will copy the contents of the tape to the clipboard.
- Requested features for later versions: Tapes longer than 25 items.
Conversions Calculator 1.0
Conversions Calculator - A very simple, but very handy freeware conversion calculator more>>
Features will be added or changed as development continues. Please freely distribute this free version.
BMI Calculator 1.6.1
Your body mass index (BMI) can be a general indicator of your general health. This calculator, which is written in Cocoa and therefore Mac OS X native, will take imperial and metric heights and weights and calculate your BMI. more>>
BMI Calculator - Your body mass index (BMI) can be a general indicator of your general health. This calculator, which is written in Cocoa and therefore Mac OS X native, will take imperial and metric heights and weights and calculate your BMI.
Enhancements:
Version 1.6.1
Minor update
System Requirements:Mac OS X 10.2 or greater<<less
Image Calculator 1.0
Image Calculator - A widget that calculates the width in mm, the horizontal pixels or the dpi of a digital image more>>
Fill in two fields and Bildrechner calculates the third.
Headings Calculator 1.1
Headings Calculator - Determine magnetic headings in 45 degree increments more>>
I originally created this application for use while flying X-Plane (the worlds FINEST flight simulator for Mac OS and Windows).
This applications was created using RealBasic 2006 which, in my humble and inexperienced opinion, is the best rapid development environment for Mac OS.
Econ Calculator 1.5.2
Economics calculator. more>>
It allows the user to round from an integer "0"decimal places through to 6 and offers a "Fixed" decimal setting that autorounds to 2 decimal places. The calculator can be "Iconized" to a globalbutton and has many more options of user customization.
Attack Calculator 1.0
Free random battle Dashboard widget for your Mac more>>
BPM Calculator 1.0
BPM Calculator - tap a steady beat more>>
BPM Calculator will be refreshed every four beats. It is that simple!
Automatic BPM calculators that process audio may seem very fancy and efficient, however they are prone to serious error and their success can vary wildly depending on the type of programme material used.
The only variable when using this widget is your ability to tap a steady beat!
D?ni Calculator 1.0
D?ni Calculator - Calculator widget for Myst, Riven & Uru fans more>>
You can enter numbers using either Arabic or Dni numerals, and it includes all basic mathematical operations.
For Dni fans in particular, it also features conversion between degrees and torans (15625 torans is a right angle).
The widget is actually a new implementation of Simon Riedls 1999 calculator, with a new graphic interface.
Known limitations: no fractions (rounded off or down as the user specifies) and no keyboard input.