Casio SL-300ER Two Way Power
![Casio SL-300ER Two Way Power](Casio%20SL-300ER%20Two%20Way%20Power/Casio%20Euro%20Conversion%20SL-300ER%20Power.jpg)
The EURO CONVERSION SL-300ER has a Two-Way Power System, which consists of a solar cell and a button cell battery. The calculator IC is able to draw power from either depending upon the light level.
The first calculator I had was a Casio; however, my sister had a Texas Instruments one.
This Article Continues...
![](Casio%20Euro%20Conversion%20SL-300ER.gif)
Casio SL-300ER
Casio SL-300ER Inside
Casio SL-300ER Chipset
Casio SL-300ER Two Way Power
Casio SL-300ER Case