Blocked calculator and request an update after 20 months!

Blocked calculator and request an update after 20 months!

Casio Graph 35 E + USB Graphing Calculator (Office Supplies)
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Customer Review

That's the calculator to render faithful service for 20 months. Then after a battery change, the calculator crashes on restart with an incomprehensible error message. The Reset button does not change the situation. After a few attempts, the calculator redémare not at all (despite new batteries). As we make life better ...

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