Product DescriptionDesigned with unique features to allow you to enter more than one calculation, compare results and explore patterns, all on the same screen. Enter and view calculations in common math notation via the MathPrint mode, including stacked fractions, exponents, exact square roots and more. Quickly view fractions and decimals in alternate forms by using the toggle key. Scroll through previous entries and investigate critical patterns as well as viewing and pasting into a new calculation. Explore an x, Y table of values for a given function, automatically or by entering specific x values. Toggle key lets you change the form of answers between exact and decimal approximation.Amazon.comPowerful, four-line scientific calculator for high school math and science exploration. Designed with unique features to allow you to enter more than one calculation compare results and explore patterns all on the same screen. Enter and view calculations in common Math Notation via the MATHPRINT Mode including stacked fractions exponents exact square roots and more. Quickly view fractions and decimals in alternate forms by using the Toggle Key. Scroll through previous entries and investigate critical patterns as well as viewing and pasting into a new calculation. Explore an x y table of values for a given function automatically or by entering specific x values. Power Source(s): Battery Solar Display Notation: Numeric Number of Display Digits: N/A Display Characters x Display Lines: 16 x 4.Unit of Measure : EachKey Features:Four-line displayOne- and two-variable statisticsMathPrint™ featureFraction/decimal conversionStep-by-step fraction simplificationEdit, cut and paste entriesSolar and battery poweredIdeal For:General mathPre-AlgebraAlgebra 1 and 2GeometryStatisticsGeneral scienceBiologyChemistry