Key Definitions; Basic Function Keys - Calculated Industries PIPE TRADES PRO 4095 Pocket Reference Manual

The calculator offers up to 21 levels of parentheses:
1) First parenthesis level opened – press
 for one right-sided parenthesis.
2) Second level opened – press  a
second time for two right-sided
parentheses   .
3) Third level opened – press  a third
time for three right-sided
parentheses    .
4) Fourth level opened – press  a fourth
time for four right-sided parentheses
    .
Numbers of levels greater than four are shown
in the upper left corner of the display.

KEY DEFINITIONS

Basic Function Keys



  
 
 – 
and 
On/Clear Key – Turns on power.
Pressing once clears the last entry
and the display. Pressing twice
clears all non-permanent values.
Off – Turns all power off. Clears
all non-permanent memory.
Arithmetic operation keys
Keys used for entering
numbers.