Texas Instruments TI-30X-IIS Scientific Calculator Bundle

Hard plastic, color-coded keys
Two-line display, 11 digit scrollable entry line with 10-digit answer and two-digit exponent line
Dual power
Review and edit previous entries
Fraction/decimal conversions
Random number and random integer generator
Negation key
Menu settings
Change improper fractions to mixed numbers
Automatic simplification of fractions
One constant
Combinations and permutations
Trigonometry
Hyperbolics
Logs and antilogs
Convert angles from degrees to radians to grads
%, x², ¹/x, yˆx, π, x!
Fixed decimal capability
One- and two-variable statistics
EOS: (Equation Operating System)
Up to eight pending operations
Up to 23 levels of parentheses
Error recovery capability
Five memory variables
Scientific and engineering notation