Calculated Industries 5070-A User Guide - Manual (Page 6)

U
ser
'
s
G
Uide
— 5
(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.