Scientific Calculator

This calculator sets the engineering standard. Scientific features include decimal hours/hours, minutes, seconds conversions. Polar/rectangular conversions. Angle conversions, base conversions and arithmetic, unit conversions. Math features % change, fractions, degrees, radians, or grads mode. Trigonometric functions/inverses. Hyperbolics/inverses. HP solve application (Root Finder). Numeric integration. Complex number functions. Absolute value, round. Integer and fractional part of a number. Statistical features include sample standard deviation, linear regression, combinations, permutations, weighted mean and curve lift. Customizing features include HP Solve Root Finder, 384 bytes/33 regs, 27 programs/formulae, seven levels of subroutines, branching, 12 flags, alpha prompts in programs, indirect addressing, indexed looping and alpha listings. Comes with Owner's manual, batteries, and carrying case. Replacement battery LR44.