MathU Pro™ 4.2 Features

General Features

• Natural calculator interface
• Powerful equation solver and root finder
• Personalizable color keyboard (6 color choices, 2 on a B&W device)
• IEEE Double precision accuracy (about 16 digits)
• 16 element stack
• Optional 2 (x,y) stack display
• 25 key keyboard (3 functions per key)
• Function pop-up on main screen provides access to all 67 built-in functions
• Graffiti input, copy and paste
• 16 digit display with SCI, FIX, and ENG formats. Exponents from -308 to 308.
• Status indicators for shift state, angle mode, and financial annuity mode.
• Degrees, radians, and grads angle modes
• Preferences to set the number of digits, angle mode, display format, wordsize
• Easy on screen access to programs
• Message display area
• Beam MathU Pro programs to friends
• Built-in quick reference
• Extensive documentation

Programming Features

• Integrated editor with drag and drop
• Visual debugger
• Equation editor
• Solver trace debugger
• Structured IF and LOOP constructs (with EXIT and CONTINUE)
• subroutines
• assign any program to a key
• 5 user flags as well as MathU Pro's own entry, overwrite and input flags
• error trapping
• indirect store and recall
• export program listing to the Memo Pad

Programming Functions

• preferences (angle, annuity, base, digits, dsp)
• stack manipulation (rollup, rolldown, x<>y, drop, enter, lastx)
• Decrement/increment and skip, exit or continue
• pause, show, prompt, R/S
• beep
• nargin

Memory

• 16 element stack
• 20 global registers (10 are directly accessible via the keyboard)
• Ability to swap primary and secondary registers.
• 1024 local registers. These registers are local to each MathU Pro program and are persistent.
• stack and register functions: clstk, clreg, clrvars, clx, p<>s, x<>y
• stack roll up and roll down via hardware scroll buttons.
• View registers, stack, and variables
• storage and stack register arithmetic (sto+, sto-, sto*, sto/)

Scientific Functions

• sin, cos, tan, sin^-1, cos^-1, tan^-1, atan2,
• sinh, cosh, tanh, asinh, acosh, atanh
• ln, log, ln1p, e^x (exp), expm1, 10^x (pow10), y^x (ytox), x² (sq), sqrt, 1/x (inv)
• chop, ceil, floor, round, int, frac, abs, mod, pi, rand
• deg, rad, hours, H.MS, seconds
• R->P, R->R (Polar coordinate conversions)

Financial Functions

• N (number of periods)
• i (percent interest per period)
• PMT (payment per period)
• PV (present value)
• FV (future value)
• CLFIN (clear financial registers)
• Annuity preference (toggle between payments due at the beginning of the period and payments due at the end of the period)
• View financial registers

Statistics Functions

• S+ (accumulate statistics)
• S- (remove data from statistics)
• mean, std, rand
• %, % change, factorial
• clrstats (clear statistics registers)
• View statistics registers

Base conversions

• hex, dec, oct, bin
• modular addition, modular subtraction, modular division, modular multiplication
• and, or, xor
• two's complement
• wordsize preference (up to 48 bits)