Your HP-41 Can Give You A Lot More! Reference: TST, 26 August 1982, Page 15 - Hewlett-Packard Singapore Pte Ltd

The HP Slim Line Calculators The Slim Line Calculators from Hewlett-Packard with unique functional capabilities. Published: TST, 28 October 1981, Page 20 - Hewlett-Packard Singapore Pte Ltd TST, 30 October 1981, Page 38 - Hewlett-Packard Singapore Pte Ltd TST, 9 December 1981, Page 6 - Hewlett-Packard Singapore Pte Ltd TST, 21 January 1982, Page 37 - Hewlett-Packard Singapore Pte Ltd TST, 11 February 1983, Page 17 - Hewlett-Packard Singapore Pte Ltd TST, 26 February 1983, Page 22 - Hewlett-Packard Singapore Pte Ltd

HP Calculator Heritage HP 12C - 1981 The HP-12C is a financial calculator made by Hewlett-Packard. Due to its gold-colored, and thus prestigious-looking, faceplate, and simple operation for key financial calculations, it has been very popular over the years among financial professionals. It is in fact HP’s longest and best selling model, in continual production since its introduction in 1981. Caption: The most powerful financial calculator made. Hewlett-Packard Company - Corvallis Division

In 1981, it is the most powerful financial calculator made then.

The HP-41C And The NEW HP-41CV. Published: TST, 19 June 1981, Page 10 - Hewlett-Packard Singapore Pte Ltd TST, 26 June 1981, Page 33 - Hewlett-Packard Singapore Pte Ltd TST, 18 October 1981, Page 23 - Hewlett-Packard Singapore Pte Ltd

The HP 11c is a programmable calculator with an extensive set of built-in scientific and engineering functions. Non-Programmable Features: Hyperbolic and inverse hyperbolic trig functions. Probability (combinations and permutations). Factorial, % change, and absolute value. Programming Features: The HP 11c provided label addressing (0-9 and A-E), subroutines (nestable to 4 deep). 8 conditional tests, increment/decrement loops, and 2 flags. For program editing, the calculator featured implied insert (instructions entered didn’t overwrite the current instruction) and deletion via the backspace key.

A Calculator. A System. A Whole New Standard. Published: TST, 24 February 1981, Page 33 - Hewlett-Packard Singapore Pte Ltd TST, 13 March 1981, Page 5 - Hewlett-Packard Singapore Pte Ltd

Hewlett-Packard Introduces The Wand: A New Dimension in Software Entry. Published: TST, 15 January 1981, Page 21 - Hewlett-Packard Singapore Pte Ltd TST, 22 January 1981, Page 2 - Hewlett-Packard Singapore Pte Ltd