Calculated Industries ElectriCalc Pro User Manual - — 5

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(cont’d)

Memory clear (M-r/c) — Clears Accumulative 

Memory without changing current display.

percentage — Used to find a given percent  

of a number.

x

2

 — Squares the value on the display.

Backspace Function — Used to delete entries 

one keystroke at a time (unlike the   function, 

which deletes the entire entry).

Square root (!) — Calculates the Square 

Root of the number on the display.

reciprocal (1/x) — Finds the Reciprocal of  

a number (e.g.,     

0.125).

clear all — Returns all stored values to the default 

settings. Does not affect Preference Settings.

change Sign (+/–) — Toggle displayed value 

between negative and positive value.

pi — Displays value of 

π

 (3.1415927). 

Mode set-up Keys

preference Settings (prefs) — Use to  

define calculator modes (see 

preference  

Settings section).

Single-phase (1Ø) — Sets calculator to Single-

Phase mode.

three-phase (3Ø) — Sets calculator to  

Three-Phase mode. This is the default setting.