| Year of introduction | 2004 |
| Function | Construction |
| Model Number | 8525 |
| Power | 2 LR43 batteries |
| Original Price | $19.95 |
| Photo credit | Mark Bollman→ |
The ProjectCalc Plus is an update of the ProjectCalc. The top row of keys is new. These keys are programmed for specific construction applications, both inside and outside.