Services » Archived - EOL (End-Of-Life) HP Calculators » HP 20b (EOL) » HP20B Keyboard: 8. Powerful Math Library

HP20b - Powerful Math Library

Math Key

There are additional one-number functions available in the Math menu. To open the Math menu, press [Shift] [Math]. Press [Down Arrow] key to scroll through the menu items, starting with Trigonometry. The Trigonometry, Hyperbolic, and Probability items have sub-menus. Press [INPUT] key with an item displayed to access the functions within the sub menus. To exit the Mode menu, press the [ON/CE] key once.

Math Map

Updated On: 13.09.15

Leave your message, comment or feedback:
Your Name (shown) & Your E-mail (hidden) is used only to alert you when someone reply your message. 

 

Retailers
Malaysia Philippines Singapore Thailand

HP Calc Heritage

Note: All prices quoted on this site does not include taxes and tariffs. Actual prices may vary. Check with your nearest resellers for local pricing.