| Product Information |
49 Function Board 4a (Inverse) |
Mental Mathematics PowerPoint Presentation
|
 |
This is the inverse of the previous. Harder still with negative outputs to contend with. Zap a rule, generate an output and calculate the input.
|
| 100 |
y |
y |
n |
 |
|
£2.50
|
|
|
|
