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: 14-segment
New price:  
Display color: Green
    Display technology: Vacuum fluorescent display
Size: 3½"×7"×1½" Display size: 16 characters
Weight: 10 oz
    Entry method: N/A
Batteries: 4×"AA" Advanced functions: N/A
External power: 6 VDC
Memory functions: N/A
I/O: 3 Ami MEMORY ports    
    Programming model: N/A
Precision: N/A Program functions: N/A
Memories: N/A Program display: N/A
Program memory: N/A Program editing: N/A
Chipset:   Forensic result:  

hhc.jpg (30094 bytes)One of the first handheld computers from the late 1970s, the Quasar HHC used a then widespread standard, "Ami MEMORY" slots for the insertion of program modules: typically, modules for language translation.