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TY-290ES scientific functional calculators for students
Features: five-line full matrix display, various functions, super hard protection cover
Main functions：four arithmetic calculations，modifying, inserting and deleting functions，quickly flip and view up and down/forward or backward、multi-step reproduction，answers storage、expression multi-level calculations，storage calculations、trigonometric functions、inverse trigonometric functions，logarithms、antilogarithms calculations、power and root calculations，conversion between sexagesimal system and decimal system， statistic calculation、fractions calculations、expressions editing，random numbers generation、percentage calculations，full dot-matrix display and second-function display，display screen settings、significant-digit settings display，independent storage calculations、stored contents display，hyperbolic functions/inverse hyperbolic functions calculations，clear storage calculation and display，manual or auto power off
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