Estimation, a TradePower Solution, has released Estimation Version 10, the latest installment of estimating software for electrical, mechanical and HVAC contractors. This release contains software additions designed specifically for the Tablet PC, the wireless system that makes take-offs and estimates possible from any location. A new user interface in summary allows for in place editing and includes enhancements that simplify essential tasks such as printing and sorting. The additional sorting toolbar facilitates the process of setting up, modifying, deleting and using multi-column sorts. Estimation.