Craig's Die Roller
A free dice-rolling program for RPG's.
roller chains
A free dice-rolling program for RPG's.
Real Estate Price Calculator
Lands area length converter price calculator
Picture Roller
Edit, organize into albums and share your pic
Unit Converter and Price Calculator Tool
Freeware unit converter price calculator tool
Numerati
A number sequencing action puzzle game.
NoLimits Rollercoaster Simulation
The Ultimate Roller Coaster Simulation for PC
Roller Coaster Mania
25 Breathtaking Roller Coaster Photos!
MITCalc Roller Chains Calculation
Design of roller chain transmissions
MITCalc Tolerance analysis
Tolerances analysis (1D, 2D, 3D)
Maximum Roller Coaster
Maximum Roller Coaster is a track design tool
