|HP codename, series||Mentor, Pioneer|
|Typ, Precision, Input Mode||Scientific & business, 12 BCD digits, exponent ±499, Algebraic|
|Programmable||No, but comes with extended support for equations|
|Memory||More than 6900 bytes shared among variables, equations and lists|
|Display||132x16 LCD dot matrix, 22x2 characters|
|Special features||Printer support, date arithmetic, timer and appointment
manager with beeper, hyperbolic trig functions, statistics and
probability, root finding, numberic integration, different number
bases, ALPHA strings, equations, list
manipulation, financial TMV functions, two-line dot-LCD display.
Works with the HP Infrared Printer.
|Original Pricing, Production||4.1.1988 ($110) - approx. 1992 ($80)|
|Batteries||3x small button sized cells|
|Dimensions||Length 14.7cm, Width 7.8cm, Height 1.5cm|
Scientific Calculator Owner's Manual, Feb 1988 (PDF)
Quick Reference (PDF)
HP-27S, HP-19B Technical Applications (PDF, Nov 1988)
For Machine language programming see comment about HP-17B.
|Comment||What a nightmare! There are many cool features like the versatile equation solver and list manipulation. However, the integration of all these features into menus is a terrible mess. It is never clear what will happen next when a function key is pressed - nothing is intuitive. The lack of RPN does the rest and leaves you puzzled if for example the % key is pressed...|
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