Calculated Industries ProjectCalc 8515

Pros: Versatile, dependable, sturdy, easy to use.

Cons: Lacks inverse key and ability to calculate angles. Small print on secondary function labels.

The Bottom Line: If you're a do-it-yourself type, you'll probably use this calculator on every project. It's a small, but excellent, investment that will prevent costly errors.

Review: I purchased this little calculator a couple of years ago when I saw it on sale at a local Wal*Mart. My previous calculator for the workshop was useful, but operations were convoluted and it was too flimsy to last more than a few months. The "Project ...

Pros: Very handy for converting and calculating architectural measurements. I use it constantly.

Cons: Precision level needs to be monitored closely, rounding measurements can make for ugly surprises.

Review: ...It makes mistakes! Well sort of. Read on... I couldn't believe it. I used the heck out of this thing finishing my basement. Estimating 2X4s needed, carpet, etc. I loved every minute of it-until I ruined an expensive piece of maple in a woodworking ...