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 |
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Sharp EL-512II
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.
The Gamma function:
f(X)= 1⇒G \(\hookrightarrow\)X>0•N→[ G÷X⇒G X+1⇒X \(\Lsh\)] G√2π÷X× (1+76.18009173÷(X+1)–86.50532033÷(X+2)+ 24.01409824÷(X+3)–1.23173957÷(X+4)+ 1.20865E-3÷(X+5)–5.4E-6÷(X+6)) (X+5.5)Yx(X+.5)×ex-(X+5.5)