 
The HP 30s combines value, highermath power and sleek convenience in one stylish package for today's discerning student. Ideal for General Math, PreAlgebra, Algebra, Trigonometry, Statistics, Geometry, Biology, Chemistry, Physics, earth sciences and more. With a 2line display, over 250 builtin functions and 10 memory registers, the HP 30s is great for math and science students of all ages. Comes with 2 additional interchangeable color faceplates.
 Percentages and fractionsproper and improper
 Physical constants and units
 Angle modes and polar/rectangular conversions
 Trig, hyperbolics and probabilities
 Powers, roots, logs and exponentials
 Multiplevariable expression storage and evaluation
 1 and 2variable statistics, with regression
 Linear systems and quadratic solvers
Features
 Constant mode
 Enhanced constant mode lets you change any combination of numbers, variables, functions and operators
 Decimaltofraction conversion function
 Equation solver function
 Helpful in scientific applications requiring trig and math functions
 Great for sine, cosine, tangent, exponential, natural log and antilog functions
 Enter operators and data in the order that would solve the problem as you would on paper
 2line LCD display to show both operations and resultsup to 10 digits plus 2digit exponent per value
 Fixed, floating, scientific and engineering notation
 Algebraic entry system with standard operator priorities
 Enhanced constant feature and editable command line
 Percentages and fractionsboth proper and improper
 Physical constants and units
 Pi, trig and hyperbolic trig
 Probability and factorials
 Powers, logs, roots and exponential functions
 Polar/rectangular and angle conversions (deg/rad/grad)
 Hours and angle conversions
 Statistics: 1 or 2variable, regression, editable data sets
 Multiplevariable expression storage and evaluation
 Quadratic solver
 Linear systems solver

