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It was about to go in the recycling pile when I thought, “I wonder if I can save it.” There’s no telling how old this lovely Casio fx-590 calculator is, because in spite of deploying my best Google-fu I can find very little information on it. One source suggested that maybe it came out at the beginning of the 1990s. Read more »
Casio fx-590 – reviving an old friend - Machina Speculatrix
Casio fx-590 – reviving an old friend - Machina Speculatrix
Casio fx-590 – reviving an old friend - Machina Speculatrix
Casio fx-590 – reviving an old friend - Machina Speculatrix