Casio Calculator 991 Es Original Black/Silver

Casio Calculator 991 ES Original Black/Silver

• Fraction calculation.
• Combination and permutation.
• Logarithm log.
• List based stat data editor.
• Standard deviation.
• Paired variable statistics regression analysis.
• Logical operations.
• Table function.
• 40 scientific constants.
• 40 metric conversions (20 conversion pairs).
• 9 variable memories.
• Comes with new slide on hard case.
• Made in Thailand