Sharp EL-512II

Datasheet legend
Ab/c: Fractions calculation
AC: Alternating current
BaseN: Number base calculations
Card: Magnetic card storage
Cmem: Continuous memory
Cond: Conditional execution
Const: Scientific constants
Cplx: Complex number arithmetic
DC: Direct current
Eqlib: Equation library
Exp: Exponential/logarithmic functions
Fin: Financial functions
Grph: Graphing capability
Hyp: Hyperbolic functions
Ind: Indirect addressing
Intg: Numerical integration
Jump: Unconditional jump (GOTO)
Lbl: Program labels
LCD: Liquid Crystal Display
LED: Light-Emitting Diode
Li-ion: Lithium-ion rechargeable battery
Lreg: Linear regression (2-variable statistics)
mA: Milliamperes of current
Mtrx: Matrix support
NiCd: Nickel-Cadmium rechargeable battery
NiMH: Nickel-metal-hydrite rechargeable battery
Prnt: Printer
RTC: Real-time clock
Sdev: Standard deviation (1-variable statistics)
Solv: Equation solver
Subr: Subroutine call capability
Symb: Symbolic computing
Tape: Magnetic tape storage
Trig: Trigonometric functions
Units: Unit conversions
VAC: Volts AC
VDC: Volts DC
Years of production:   Display type: Numeric display  
New price:   Display color: Black  
    Display technology: Liquid crystal display 
Size: 5"×2½"×½" Display size: 10+2 digits
Weight: 3 oz    
    Entry method: Formula entry 
Batteries: 1×"CR-2016" Lithium Advanced functions: Trig Exp Hyp Lreg Cmem 
External power:   Memory functions: +/- 
    Programming model: Formula programming 
Precision: 12 digits Program functions: Jump Cond  
Memories: 13 numbers Program display: Formula display  
Program memory: 256 program steps Program editing: Formula entry  
Chipset:   Forensic result:  

el512ii.jpg (23358 bytes)The EL-512II is an obvious predecessor to another calculator that I've had in my collection for some time, the EL-512H. Functionality-wise, the two calculators appear identical.

Under Construction

The Gamma function: