Walter Stubbs Apps

-Programmable Calculator: -No programming knowledge required:startprogramming and learn its basic concepts. -Create and storeyourown programs, that can be stored as external files of yourdevice.-Edit your programs using the built-in or an external texteditor.-Optionally save your programs as standard text files.-Built-in"sample" programs (examples) ready to use and customize(edit) thatinclude: -Financial mathematics. -Prime numbers -Mathseries-Matrices. -Games. -Program commands are easy to enter toimplementalgorithms with loops, conditional tests etc.-Structuredprogramming language (MPL). -Data structures: Processingof listsand matrices. -Subroutines, local variables. -Programmablekeys:assign user programs to keys and convert the calculator intoacustom calculator. -Complete User's guide. (available inEnglishand Spanish) -Input methods: -Algebraic withimpliedmultiplication. -RPN (Reverse Polish Notation) -Retrieve thelast30 results and math expressions. -Complex numbers (rectangularandpolar form), fractions -Binary, octal and hexadecimalnumbers.-Degrees, Radians and Gradians, Scientific andEngineeringnotation, fixed number of decimals and floating point,sexagesimalsystem. -Several keyboard configurations. -Customizedkeys. -Copy,cut and paste edit tools. -Built-in functions:Logarithms,trigonometric and hyperbolic functions, exponential,factorial,combinations, permutations, greatest common divisor,least commonmultiple, absolute value, modulus, complex numbers,prime andrandom numbers, determinants, vectors ( norm, dotproduct). -Storeresults in memories and/or user defined variables.-21 built-inconstants. -Unit converter: 120 predefined MeasurementUnits. -Userdefined functions using: -Programs. -Math expressions.User definedconstants. -User defined formulas: Evaluateautomatically your ownformulas. -Greek alphabet. -Functions andderivatives graphing.(upto 3 functions). Tables. -Zeros offunctions, maxima and minima. -Matrix operations (addition,subtraction, multiplication,transpose, inverse). -Solve directlysystems of linear equations upto a size of 7 x 7 using Cramer'srule. -Vector operations(addition, subtraction, cross product).-Statistical Calculations:mean, standard deviation, linearregression. -Backup of all theuser formulas, variables, functionsand constants.