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selling an original casio fx-991es plus scientific calculator. perfect for high school, college, university, and engineering students (ssc, hsc, admission, b.sc).
product details:
model: casio fx-991es plus
condition: used (very clean & 100% fully functional)
display: natural v.p.a.m. (textbook display)
power source: solar + battery backup dual power
functions: 417 functions (matrix, vector, calculus, equation solver, statistics, etc.)